Synacor

34 CVEs across 4 Synacor products. Browse Synacor vulnerabilities, severities, and proof-of-concept exploits.

Synacor products with known CVEs

ProductCVEs
Zimbra Collaboration Suite82
Zimbra Collaboration Server5
Zimbra Collaboration Suite (Zcs)1
Zimbra Server1
Synacor CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-33373High8.82026-03-30An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. A Cross-Site Request Forgery (CSRF) vulnerability exists in Zimbra Web Client due to the i…
CVE-2026-33372Medium5.42026-03-20An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. A cross-site request forgery (CSRF) vulnerability exists in Zimbra Webmail due to improper…
CVE-2026-33371Medium4.32026-03-20An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. An XML External Entity (XXE) vulnerability exists in the Zimbra Exchange Web Services (EWS…
CVE-2026-33370Medium6.12026-03-20An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Zimbra Briefcase feature d…
CVE-2026-33369Medium4.32026-03-20Zimbra Collaboration (ZCS) 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application…
CVE-2026-33368Medium6.12026-03-20Zimbra Collaboration Suite (ZCS) 10.0 and 10.1 contains a reflected cross-site scripting (XSS) vulnerability in the Classic Webmail REST interface (/h/rest). T…
CVE-2025-66376High7.22026-01-05Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTM…
CVE-2025-68645High8.82025-12-22A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-su…
CVE-2025-48700Medium6.12025-06-23An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI all…
CVE-2024-45516Medium6.12025-05-14An issue was discovered in Zimbra Collaboration (ZCS) 9.0.0 before Patch 43, 10.0.x before 10.0.12, 10.1.x before 10.1.4, and 8.8.15 before Patch 47. A Cross-S…
CVE-2025-32354High8.82025-04-29In Zimbra Collaboration (ZCS) 9.0 through 10.1, a Cross-Site Request Forgery (CSRF) vulnerability exists in the GraphQL endpoint (/service/extension/graphql) o…
CVE-2025-27915Medium5.42025-03-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client…
CVE-2025-25065Medium5.32025-02-03SSRF vulnerability in the RSS feed parser in Zimbra Collaboration 9.0.0 before Patch 43, 10.0.x before 10.0.12, and 10.1.x before 10.1.4 allows unauthorized re…
CVE-2025-25064High8.82025-02-03SQL injection vulnerability in the ZimbraSync Service SOAP endpoint in Zimbra Collaboration 10.0.x before 10.0.12 and 10.1.x before 10.1.4 due to insufficient…
CVE-2024-54663High7.52024-12-19An issue was discovered in the Webmail Classic UI in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A Local File Inclusion (LFI) vulnerability exists in the…
CVE-2024-45517Medium5.42024-11-21An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A Cross-Site Scripting (XSS) vulnerability in the /h/rest endpoint of the Zimbra webmail an…
CVE-2024-45513Medium4.82024-11-21An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A stored Cross-Site Scripting (XSS) vulnerability exists in the /modern/contacts/print endp…
CVE-2024-45194Medium4.82024-11-21In Zimbra Collaboration (ZCS) 9.0 and 10.0, a vulnerability in the Webmail Modern UI allows execution of stored Cross-Site Scripting (XSS) payloads. An attacke…
CVE-2024-45514Medium5.42024-11-21An issue was discovered in Zimbra Collaboration (ZCS) through v10.1. A Cross-Site Scripting (XSS) vulnerability exists in one of the endpoints of Zimbra Webmai…
CVE-2024-45512Medium5.42024-11-21An issue was discovered in webmail in Zimbra Collaboration (ZCS) through 10.1. An attacker can exploit this vulnerability by creating a folder in the Briefcase…
CVE-2024-45510Medium5.42024-11-20An issue was discovered in Zimbra Collaboration (ZCS) through 10.0. Zimbra Webmail (Modern UI) is vulnerable to a stored Cross-Site Scripting (XSS) attack due…
CVE-2024-45511Medium5.42024-11-20An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A reflected Cross-Site Scripting (XSS) issue exists through the Briefcase module due to imp…
CVE-2024-50599Medium6.12024-11-07A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Zimbra Collaboration Suite (ZCS) 8.8.15, affecting one of the webmail calendar endp…
CVE-2024-45519Critical10.02024-10-02The postjournal service in Zimbra Collaboration (ZCS) before 8.8.15 Patch 46, 9 before 9.0.0 Patch 41, 10 before 10.0.9, and 10.1 before 10.1.1 sometimes allow…
CVE-2023-37580Medium6.12023-07-31Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.
CVE-2023-34192Critical9.02023-07-06Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoS…
CVE-2022-3569High7.82022-10-17Due to an issue with incorrect sudo permissions, Zimbra Collaboration Suite (ZCS) suffers from a local privilege escalation issue in versions 9.0.0 and prior…
CVE-2022-41352Critical9.82022-09-26An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole (extraction to…
CVE-2022-37393High7.82022-08-16Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. As part of its intended functionality, zms…
CVE-2022-37042Critical9.82022-08-12Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authenticatio…
CVE-2022-27926Medium6.12022-04-21A reflected cross-site scripting (XSS) vulnerability in the /public/launchNewWindow.jsp component of Zimbra Collaboration (aka ZCS) 9.0 allows unauthenticated…
CVE-2022-27925High7.22022-04-21Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with a…
CVE-2022-27924High7.52022-04-21Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance. These memcache…
CVE-2022-24682Medium6.12022-02-09An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in Dec…
CVE-2020-18985Medium6.12021-12-15An issue in /domain/service/.ewell-known/caldav of Zimbra Collaboration 8.8.12 allows attackers to redirect users to any arbitrary website of their choosing.
CVE-2020-18984Medium6.12021-12-15A reflected cross-site scripting (XSS) vulnerability in the zimbraAdmin/public/secureRequest.jsp component of Zimbra Collaboration 8.8.12 allows unauthenticate…
CVE-2020-13653Medium6.12020-07-02An XSS vulnerability exists in the Webmail component of Zimbra Collaboration Suite before 8.8.15 Patch 11. It allows an attacker to inject executable JavaScrip…
CVE-2020-12846High8.02020-06-03Zimbra before 8.8.15 Patch 10 and 9.x before 9.0.0 Patch 3 allows remote code execution via an avatar file. There is potential abuse of /service/upload servlet…
CVE-2020-8633Medium5.32020-02-18An issue was discovered in Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7. When grantors revoked a shared calendar in Outlook, the calendar stayed moun…
CVE-2020-7796Critical9.82020-02-18Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is installed and zimlet JSP is enabled.
CVE-2019-11318Medium5.42020-01-27Zimbra Collaboration before 8.8.12 Patch 1 has persistent XSS.
CVE-2015-2249Medium5.42020-01-27Zimbra Collaboration before 8.6.0 patch5 has XSS.
CVE-2014-8563Critical9.82020-01-27Synacor Zimbra Collaboration before 8.0.9 allows plaintext command injection during STARTTLS.
CVE-2014-5500Medium6.12020-01-27Synacor Zimbra Collaboration before 8.0.8 has XSS.
CVE-2015-7609Medium6.12019-05-30Synacor Zimbra Mail Client 8.6 before 8.6.0 Patch 5 has XSS via the error/warning dialog and email body content in Zimbra.
CVE-2015-2230Medium6.12019-05-30Synacor Zimbra Collaboration Server 8.x before 8.7.0 has Reflected XSS in admin console.
CVE-2018-14425Medium6.12019-05-30There is a Persistent XSS vulnerability in the briefcase component of Synacor Zimbra Collaboration Suite (ZCS) Zimbra Web Client (ZWC) 8.8.8 before 8.8.8 Patch…
CVE-2018-10948Medium4.82019-05-30Synacor Zimbra Admin UI in Zimbra Collaboration Suite before 8.8.0 beta 2 has Persistent XSS via mail addrs.
CVE-2018-15131Medium5.32019-05-30An issue was discovered in Synacor Zimbra Collaboration Suite 8.6.x before 8.6.0 Patch 11, 8.7.x before 8.7.11 Patch 6, 8.8.x before 8.8.8 Patch 9, and 8.8.9 b…
CVE-2019-9670Critical9.82019-05-29mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (XXE) vulnerability, as demonstrated by Au…
CVE-2019-6981Medium6.52019-05-29Zimbra Collaboration Suite 8.7.x through 8.8.11 allows Blind SSRF in the Feed component.
CVE-2019-6980Critical9.82019-05-29Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
CVE-2018-20160Critical9.82019-05-29ZxChat (aka ZeXtras Chat), as used for zimbra-chat and zimbra-talk in Synacor Zimbra Collaboration Suite 8.7 and 8.8 and in other products, allows XXE attacks…
CVE-2018-18631Medium6.12019-05-29mailboxd component in Synacor Zimbra Collaboration Suite 8.6, 8.7 before 8.7.11 Patch 7, and 8.8 before 8.8.10 Patch 2 has Persistent XSS.
CVE-2018-14013Medium6.12019-05-29Synacor Zimbra Collaboration Suite Collaboration before 8.8.11 has XSS in the AJAX and html web clients.
CVE-2019-9621High7.52019-04-30Zimbra Collaboration Suite before 8.6 patch 13, 8.7.x before 8.7.11 patch 10, and 8.8.x before 8.8.10 patch 7 or 8.8.x before 8.8.11 patch 3 allows SSRF via th…
CVE-2018-17938Medium5.32018-10-03Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
CVE-2018-10939Medium6.12018-05-30Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group.
CVE-2015-7610High8.82018-05-30Cross-site request forgery (CSRF) vulnerability in the login form in Zimbra Collaboration Suite (aka ZCS) before 8.6.0 Patch 10, 8.7.x before 8.7.11 Patch 2, a…
CVE-2018-10951Medium6.52018-05-10mailboxd in Zimbra Collaboration Suite 8.8 before 8.8.8; 8.7 before 8.7.11.Patch3; and 8.6 before 8.6.0.Patch10 allows zimbraSSLPrivateKey read access via a Ge…
CVE-2018-10950Medium5.32018-05-10mailboxd in Zimbra Collaboration Suite 8.8 before 8.8.8; 8.7 before 8.7.11.Patch3; and 8.6 before 8.6.0.Patch10 allows Information Exposure through Verbose Err…
CVE-2018-10949Medium5.32018-05-10mailboxd in Zimbra Collaboration Suite 8.8 before 8.8.8; 8.7 before 8.7.11.Patch3; and 8.6 allows Account Enumeration by leveraging a Discrepancy between the "…
CVE-2018-6882Medium6.12018-03-27Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x b…
CVE-2017-8783Medium5.42018-02-04Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
CVE-2017-17703Medium6.12018-02-04Synacor Zimbra Collaboration Suite (ZCS) before 8.8.3 has Persistent XSS.
CVE-2017-7288Medium6.12017-05-23Cross-site scripting (XSS) vulnerability in Zimbra Collaboration Suite (ZCS) before 8.7.1 allows remote attackers to inject arbitrary web script or HTML via un…
CVE-2017-6821Critical9.82017-05-23Directory traversal vulnerability in Zimbra Collaboration Suite (aka ZCS) before 8.7.6 allows attackers to have unspecified impact via unknown vectors.
CVE-2017-6813Critical9.82017-05-23A service provided by Zimbra Collaboration Suite (ZCS) before 8.7.6 fails to require needed privileges before performing a few requested operations.
CVE-2016-3403High8.82017-05-17Multiple cross-site request forgery (CSRF) vulnerabilities in the Admin Console in Zimbra Collaboration before 8.6.0 Patch 8 allow remote attackers to hijack t…
CVE-2016-9924Critical9.82017-03-29Zimbra Collaboration Suite (ZCS) before 8.7.4 allows remote attackers to conduct XML External Entity (XXE) attacks.
CVE-2016-4019High7.52017-01-18Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to affect integrity via unknown vectors, aka bug 104477.
CVE-2016-3999Medium6.12017-01-18Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unsp…
CVE-2016-3415Critical9.12017-01-18Zimbra Collaboration before 8.7.0 allows remote attackers to conduct deserialization attacks via unspecified vectors, aka bug 102276.
CVE-2016-3414Medium6.52017-01-18Unspecified vulnerability in Zimbra Collaboration before 8.6.0 Patch 7 allows remote authenticated users to affect availability via unknown vectors, aka bug 10…
CVE-2016-3413High7.52017-01-18Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to affect integrity via unknown vectors, aka bug 103996.
CVE-2016-3412Medium6.12017-01-18Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unsp…
CVE-2016-3411Medium6.12017-01-18Cross-site scripting (XSS) vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to inject arbitrary web script or HTML via unspecified ve…
CVE-2016-3410Medium6.12017-01-18Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unsp…
CVE-2016-3409Medium6.12017-01-18Cross-site scripting (XSS) vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to inject arbitrary web script or HTML via unspecified ve…
CVE-2016-3408Medium6.12017-01-18Cross-site scripting (XSS) vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to inject arbitrary web script or HTML via unspecified ve…
CVE-2016-3407Medium6.12017-01-18Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unsp…
CVE-2016-3406High8.82017-01-18Multiple cross-site request forgery (CSRF) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to hijack the authentication of unspecif…
CVE-2016-3405High7.52017-01-18Multiple unspecified vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to affect integrity via unknown vectors, aka bugs 103961 and 1…
CVE-2016-3404High7.52017-01-18Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to affect integrity via unknown vectors, aka bug 103959.
CVE-2016-3402High7.52017-01-18Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to affect confidentiality via unknown vectors, aka bug 99167.
CVE-2016-3401Medium6.52017-01-18Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote authenticated users to affect integrity via unknown vectors, aka bug 99810.
CVE-2013-70912013-12-13Directory traversal vulnerability in /res/I18nMsg,AjxMsg,ZMsg,ZmMsg,AjxKeys,ZmKeys,ZdMsg,Ajx%20TemplateMsg.js.zgz in Zimbra 7.2.2 and 8.0.2 allows remote attac…
CVE-2013-51192013-09-23Zimbra Collaboration Suite (ZCS) 6.0.16 and earlier allows man-in-the-middle attackers to obtain access by sniffing the network and replaying the ZM_AUTH_TOKEN…