CVE-2011-2379

Cross-site scripting (XSS) vulnerability in Bugzilla 2.4 through 2.22.7, 3.0.x through 3.3.x, 3.4...

4.3 Medium

Cross-site scripting (XSS) vulnerability in Bugzilla 2.4 through 2.22.7, 3.0.x through 3.3.x, 3.4.x before 3.4.12, 3.5.x, 3.6.x before 3.6.6, 3.7.x, 4.0.x before 4.0.2, and 4.1.x before 4.1.3, when Internet Explorer before 9 or Safari before 5.0.6 is used for Raw Unified mode, allows remote attackers to inject arbitrary web script or HTML via a crafted patch, related to content sniffing.

Exploit likelihood

1.67%Up 0.3 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2011-2379
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-2379
Updated: 2026-11-02

EUVDEUVD-2011-2368 No score

Record: EUVD-2011-2368
Updated: 2026-11-03

GitHub AdvisoriesGHSA-929m-627q-7654 No score

Cross-site scripting (XSS) vulnerability in Bugzilla 2.4 through 2.22.7, 3.0.x through 3.3.x, 3.4...

Record: GHSA-929m-627q-7654
Weakness: CWE-79
Updated: 2026-11-02

Affected products

mozilla bugzilla

Affected packages

Affected packages
Package	Affected	Fixed
`bugzilla` Debian:6.0 From an advisory covering 10 CVEs	before 3.6.2.0-4.4, plus listed versions 3.6.2.0-4.2	3.6.2.0-4.4

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2379 is a medium vulnerability (CVSS 4.3) in Mozilla Bugzilla, published August 9, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 76th percentile. No source names a fixed version.