Every CVE Search/ Get API key

CVE-2011-2981

The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird...

9.3 High

The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.

Exploit likelihood

2.26%Up 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.

Record
CVE-2011-2981
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-16
Updated
2026-11-02
CVE List No score

The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.

Record
CVE-2011-2981
Updated
2026-11-02
EUVDEUVD-2011-2949 No score

The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.

Record
EUVD-2011-2949
Updated
2026-11-03
GitHub AdvisoriesGHSA-v552-mmfq-rwm8 No score

The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird...

The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.

Record
GHSA-v552-mmfq-rwm8
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
iceape
Debian:6.0
From an advisory covering 6 CVEs
 before 2.0.11-7, plus listed versions
2.0.11-22.0.11-32.0.11-42.0.11-52.0.11-6
2.0.11-7
iceweasel
Debian:6.0
From an advisory covering 6 CVEs
 before 3.5.16-9, plus listed versions
3.5.16-43.5.16-53.5.16-5~bpo50+13.5.16-63.5.16-6~bpo50+1
Show 4 moreShow less
3.5.16-73.5.16-7~bpo50+13.5.16-83.5.16-8~bpo50+1
3.5.16-9
xulrunner
Debian:5.0
From an advisory covering 6 CVEs
 before 1.9.0.19-13, plus listed versions
1.9.0.10-11.9.0.11-0lenny11.9.0.11-11.9.0.12-0lenny11.9.0.12-1
Show 26 moreShow less
1.9.0.13-0lenny11.9.0.13-11.9.0.14-0lenny11.9.0.14-11.9.0.15-0lenny11.9.0.16-11.9.0.18-11.9.0.19-11.9.0.19-111.9.0.19-121.9.0.19-21.9.0.19-31.9.0.19-41.9.0.19-51.9.0.19-61.9.0.19-71.9.0.19-81.9.0.19-91.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1
1.9.0.19-13
icedove
Debian:6.0
From an advisory covering 6 CVEs
 before 3.0.11-1+squeeze4, plus listed versions
3.0.11-13.0.11-1+squeeze13.0.11-1+squeeze23.0.11-1+squeeze3
3.0.11-1+squeeze4
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
Show 19 moreShow less
Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el4
0:3.6.20-2.el4
xulrunner
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el5
0:3.6.20-2.el5
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el5
0:3.6.20-2.el5
xulrunner
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el5
0:3.6.20-2.el5
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el5
0:3.6.20-2.el5
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
firefox
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el6_1
0:3.6.20-2.el6_1
firefox-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.6.20-2.el6_1
0:3.6.20-2.el6_1
xulrunner
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el6_1
0:1.9.2.20-2.el6_1
xulrunner-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el6_1
0:1.9.2.20-2.el6_1
xulrunner-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:1.9.2.20-2.el6_1
0:1.9.2.20-2.el6_1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2011-2981 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published August 17, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.26%, the 83rd percentile. No source names a fixed version.

References

Show 35 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open