What is CVE-2017-6762?

CVE-2017-6762 is a medium-severity vulnerability in Cisco Jabber Guest, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-07.

How severe is CVE-2017-6762?

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

XSS in Cisco Jabber Guest

CVE-2017-6762

A vulnerability in the web-based management interface of Cisco Jabber Guest Server 10.6(9), 11.0(0), and 11.0(1) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected software. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCve09718.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-08-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Cisco Jabber Guest — versions 10.6.9, 10.6.10, 10.6.11
Cisco Jabber Guest Server — versions Cisco Jabber Guest Server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securitytracker.com/id/1039060 (VDB Entry, Third Party Advisory, vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802… (Vendor Advisory)
www.securityfocus.com/bid/100108 (VDB Entry, Third Party Advisory, vdb-entry)
quickview.cloudapps.cisco.com/quickview/bug/CSCve09718 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-6762?: CVE-2017-6762 is a medium-severity vulnerability in Cisco Jabber Guest, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-07.
How severe is CVE-2017-6762?: Medium severity. CVSS v3 base score is 6.1 out of 10.