CVE-2011-2976

Cross-site scripting (XSS) vulnerability in Bugzilla 2.16rc1 through 2.22.7, 3.0.x through 3.3.x, and 3.4.x before 3.4.12 allows remote attackers to inject arbitrary web script or HTML via vectors involving a BUGLIST cookie.

Published: 2011-08-09 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2976 is rated Low Risk (38.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.44%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-2976

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.64% 0.44% -0.20%
2 2025-03-29 0.44% 0.64% +0.20%
3 2025-03-17 — 0.44% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2976

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-2976

OS Trackers for CVE-2011-2976

vendor priority summary link
gentoo normal CVE-2011-2976: 1 GLSA(s) (201110-03), 1 atom(s) (www-apps/bugzilla); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-2976
ubuntu medium CVE-2011-2976 medium priority: Ubuntu including 1 source packages (bugzilla), 10 status rows across 10 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): DNE 4, ignored 3, not-affected 2, released 1. https://ubuntu.com/security/CVE-2011-2976

Affected software / configurations for CVE-2011-2976

Vendor Product Version Raw CPE
mozilla bugzilla 2.16 cpe:2.3:a:mozilla:bugzilla:2.16:*:*:*:*:*:*:*
mozilla bugzilla 2.16 cpe:2.3:a:mozilla:bugzilla:2.16:rc1:*:*:*:*:*:*
mozilla bugzilla 2.16.1 cpe:2.3:a:mozilla:bugzilla:2.16.1:*:*:*:*:*:*:*
mozilla bugzilla 2.16.2 cpe:2.3:a:mozilla:bugzilla:2.16.2:*:*:*:*:*:*:*
mozilla bugzilla 2.16.3 cpe:2.3:a:mozilla:bugzilla:2.16.3:*:*:*:*:*:*:*
mozilla bugzilla 2.16.4 cpe:2.3:a:mozilla:bugzilla:2.16.4:*:*:*:*:*:*:*
mozilla bugzilla 2.16.5 cpe:2.3:a:mozilla:bugzilla:2.16.5:*:*:*:*:*:*:*
mozilla bugzilla 2.16.6 cpe:2.3:a:mozilla:bugzilla:2.16.6:*:*:*:*:*:*:*
mozilla bugzilla 2.16.7 cpe:2.3:a:mozilla:bugzilla:2.16.7:*:*:*:*:*:*:*
mozilla bugzilla 2.16.8 cpe:2.3:a:mozilla:bugzilla:2.16.8:*:*:*:*:*:*:*
mozilla bugzilla 2.16.9 cpe:2.3:a:mozilla:bugzilla:2.16.9:*:*:*:*:*:*:*
mozilla bugzilla 2.16.10 cpe:2.3:a:mozilla:bugzilla:2.16.10:*:*:*:*:*:*:*
mozilla bugzilla 2.16.11 cpe:2.3:a:mozilla:bugzilla:2.16.11:*:*:*:*:*:*:*
mozilla bugzilla 2.17 cpe:2.3:a:mozilla:bugzilla:2.17:*:*:*:*:*:*:*
mozilla bugzilla 2.17.1 cpe:2.3:a:mozilla:bugzilla:2.17.1:*:*:*:*:*:*:*
mozilla bugzilla 2.17.3 cpe:2.3:a:mozilla:bugzilla:2.17.3:*:*:*:*:*:*:*
mozilla bugzilla 2.17.4 cpe:2.3:a:mozilla:bugzilla:2.17.4:*:*:*:*:*:*:*
mozilla bugzilla 2.17.5 cpe:2.3:a:mozilla:bugzilla:2.17.5:*:*:*:*:*:*:*
mozilla bugzilla 2.17.6 cpe:2.3:a:mozilla:bugzilla:2.17.6:*:*:*:*:*:*:*
mozilla bugzilla 2.17.7 cpe:2.3:a:mozilla:bugzilla:2.17.7:*:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:*:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:rc1:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:rc2:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:rc3:*:*:*:*:*:*
mozilla bugzilla 2.18.1 cpe:2.3:a:mozilla:bugzilla:2.18.1:*:*:*:*:*:*:*
mozilla bugzilla 2.18.2 cpe:2.3:a:mozilla:bugzilla:2.18.2:*:*:*:*:*:*:*
mozilla bugzilla 2.18.3 cpe:2.3:a:mozilla:bugzilla:2.18.3:*:*:*:*:*:*:*
mozilla bugzilla 2.18.4 cpe:2.3:a:mozilla:bugzilla:2.18.4:*:*:*:*:*:*:*
mozilla bugzilla 2.18.5 cpe:2.3:a:mozilla:bugzilla:2.18.5:*:*:*:*:*:*:*
mozilla bugzilla 2.18.6 cpe:2.3:a:mozilla:bugzilla:2.18.6:*:*:*:*:*:*:*
mozilla bugzilla 2.19 cpe:2.3:a:mozilla:bugzilla:2.19:*:*:*:*:*:*:*
mozilla bugzilla 2.19.1 cpe:2.3:a:mozilla:bugzilla:2.19.1:*:*:*:*:*:*:*
mozilla bugzilla 2.19.2 cpe:2.3:a:mozilla:bugzilla:2.19.2:*:*:*:*:*:*:*
mozilla bugzilla 2.19.3 cpe:2.3:a:mozilla:bugzilla:2.19.3:*:*:*:*:*:*:*
mozilla bugzilla 2.20 cpe:2.3:a:mozilla:bugzilla:2.20:*:*:*:*:*:*:*
mozilla bugzilla 2.20 cpe:2.3:a:mozilla:bugzilla:2.20:rc1:*:*:*:*:*:*
mozilla bugzilla 2.20 cpe:2.3:a:mozilla:bugzilla:2.20:rc2:*:*:*:*:*:*
mozilla bugzilla 2.20.1 cpe:2.3:a:mozilla:bugzilla:2.20.1:*:*:*:*:*:*:*
mozilla bugzilla 2.20.2 cpe:2.3:a:mozilla:bugzilla:2.20.2:*:*:*:*:*:*:*
mozilla bugzilla 2.20.3 cpe:2.3:a:mozilla:bugzilla:2.20.3:*:*:*:*:*:*:*
mozilla bugzilla 2.20.4 cpe:2.3:a:mozilla:bugzilla:2.20.4:*:*:*:*:*:*:*
mozilla bugzilla 2.20.5 cpe:2.3:a:mozilla:bugzilla:2.20.5:*:*:*:*:*:*:*
mozilla bugzilla 2.20.6 cpe:2.3:a:mozilla:bugzilla:2.20.6:*:*:*:*:*:*:*
mozilla bugzilla 2.20.7 cpe:2.3:a:mozilla:bugzilla:2.20.7:*:*:*:*:*:*:*
mozilla bugzilla 2.21 cpe:2.3:a:mozilla:bugzilla:2.21:*:*:*:*:*:*:*
mozilla bugzilla 2.21.1 cpe:2.3:a:mozilla:bugzilla:2.21.1:*:*:*:*:*:*:*
mozilla bugzilla 2.21.2 cpe:2.3:a:mozilla:bugzilla:2.21.2:*:*:*:*:*:*:*
mozilla bugzilla 2.22 cpe:2.3:a:mozilla:bugzilla:2.22:*:*:*:*:*:*:*
mozilla bugzilla 2.22 cpe:2.3:a:mozilla:bugzilla:2.22:rc1:*:*:*:*:*:*
mozilla bugzilla 2.22.1 cpe:2.3:a:mozilla:bugzilla:2.22.1:*:*:*:*:*:*:*
mozilla bugzilla 2.22.2 cpe:2.3:a:mozilla:bugzilla:2.22.2:*:*:*:*:*:*:*
mozilla bugzilla 2.22.3 cpe:2.3:a:mozilla:bugzilla:2.22.3:*:*:*:*:*:*:*
mozilla bugzilla 2.22.4 cpe:2.3:a:mozilla:bugzilla:2.22.4:*:*:*:*:*:*:*
mozilla bugzilla 2.22.5 cpe:2.3:a:mozilla:bugzilla:2.22.5:*:*:*:*:*:*:*
mozilla bugzilla 2.22.6 cpe:2.3:a:mozilla:bugzilla:2.22.6:*:*:*:*:*:*:*
mozilla bugzilla 2.22.7 cpe:2.3:a:mozilla:bugzilla:2.22.7:*:*:*:*:*:*:*
mozilla bugzilla 3.0 cpe:2.3:a:mozilla:bugzilla:3.0:*:*:*:*:*:*:*
mozilla bugzilla 3.0 cpe:2.3:a:mozilla:bugzilla:3.0:rc1:*:*:*:*:*:*
mozilla bugzilla 3.0.0 cpe:2.3:a:mozilla:bugzilla:3.0.0:*:*:*:*:*:*:*
mozilla bugzilla 3.0.1 cpe:2.3:a:mozilla:bugzilla:3.0.1:*:*:*:*:*:*:*
mozilla bugzilla 3.0.2 cpe:2.3:a:mozilla:bugzilla:3.0.2:*:*:*:*:*:*:*
mozilla bugzilla 3.0.3 cpe:2.3:a:mozilla:bugzilla:3.0.3:*:*:*:*:*:*:*
mozilla bugzilla 3.0.4 cpe:2.3:a:mozilla:bugzilla:3.0.4:*:*:*:*:*:*:*
mozilla bugzilla 3.0.5 cpe:2.3:a:mozilla:bugzilla:3.0.5:*:*:*:*:*:*:*
mozilla bugzilla 3.0.6 cpe:2.3:a:mozilla:bugzilla:3.0.6:*:*:*:*:*:*:*
mozilla bugzilla 3.0.7 cpe:2.3:a:mozilla:bugzilla:3.0.7:*:*:*:*:*:*:*
mozilla bugzilla 3.0.8 cpe:2.3:a:mozilla:bugzilla:3.0.8:*:*:*:*:*:*:*
mozilla bugzilla 3.0.9 cpe:2.3:a:mozilla:bugzilla:3.0.9:*:*:*:*:*:*:*
mozilla bugzilla 3.0.10 cpe:2.3:a:mozilla:bugzilla:3.0.10:*:*:*:*:*:*:*
mozilla bugzilla 3.0.11 cpe:2.3:a:mozilla:bugzilla:3.0.11:*:*:*:*:*:*:*
mozilla bugzilla 3.1.0 cpe:2.3:a:mozilla:bugzilla:3.1.0:*:*:*:*:*:*:*
mozilla bugzilla 3.1.1 cpe:2.3:a:mozilla:bugzilla:3.1.1:*:*:*:*:*:*:*
mozilla bugzilla 3.1.2 cpe:2.3:a:mozilla:bugzilla:3.1.2:*:*:*:*:*:*:*
mozilla bugzilla 3.1.3 cpe:2.3:a:mozilla:bugzilla:3.1.3:*:*:*:*:*:*:*
mozilla bugzilla 3.1.4 cpe:2.3:a:mozilla:bugzilla:3.1.4:*:*:*:*:*:*:*
mozilla bugzilla 3.2 cpe:2.3:a:mozilla:bugzilla:3.2:*:*:*:*:*:*:*
mozilla bugzilla 3.2 cpe:2.3:a:mozilla:bugzilla:3.2:rc1:*:*:*:*:*:*
mozilla bugzilla 3.2 cpe:2.3:a:mozilla:bugzilla:3.2:rc2:*:*:*:*:*:*
mozilla bugzilla 3.2.1 cpe:2.3:a:mozilla:bugzilla:3.2.1:*:*:*:*:*:*:*
mozilla bugzilla 3.2.2 cpe:2.3:a:mozilla:bugzilla:3.2.2:*:*:*:*:*:*:*

References for CVE-2011-2976

cvelogic Threat Intelligence