What is CVE-2023-45207?

CVE-2023-45207 is a medium-severity vulnerability in Zimbra Collaboration, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-02-13.

How severe is CVE-2023-45207?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-45207 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Zimbra Collaboration

CVE-2023-45207

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. An attacker can send a PDF document through mail that contains malicious JavaScript. While previewing this file in webmail in the Chrome browser, the stored XSS payload is executed. (This has been mitigated by sanitising the JavaScript code present in a PDF document.)

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Zimbra Collaboration — versions 8.8.15, 9.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Release Notes, Vendor Advisory)
cve@mitre.org (Product)

Frequently asked questions

What is CVE-2023-45207?: CVE-2023-45207 is a medium-severity vulnerability in Zimbra Collaboration, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-02-13.
How severe is CVE-2023-45207?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-45207 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.