CVE-2012-5841
4.3 · MEDIUMOverview
CVE-2012-5841 is a medium-severity vulnerability affecting mozilla firefox. It was published on November 21, 2012 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
Remediation
Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mozilla | firefox | >= 0, < 10.0.11 | Affected |
| mozilla | seamonkey | >= 0, < 2.14 | Affected |
| mozilla | thunderbird | >= 0, < 17.0 | Affected |
| mozilla | thunderbird_esr | >= 0, < 10.0.11 | Affected |
References
Frequently Asked Questions
What is CVE-2012-5841?
CVE-2012-5841 is a medium-severity vulnerability affecting mozilla firefox. It was published on November 21, 2012 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
How severe is CVE-2012-5841?
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2012-5841?
Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2012-5841?
CyberStrike's AI-powered security agents can automatically detect CVE-2012-5841 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related MEDIUM CVEs from 2012
View all →eEye Audit ID 2499 in eEye Digital Security Audits 2406 through 2423 for eEye Retina Network Securit
kcheckpass passes a user-supplied argument to the pam_start function, often within a setuid environm
The Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2
Buffer overflow in the xfs_readlink function in fs/xfs/xfs_vnodeops.c in XFS in the Linux kernel 2.6
The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly ch
Race condition in the Passcode Lock feature in Apple iOS before 5.1 allows physically proximate atta
Untrusted search path vulnerability in Microsoft Visual Studio 2008 SP1, 2010, and 2010 SP1 allows l
envvars (aka envvars-std) in the Apache HTTP Server before 2.4.2 places a zero-length directory name
Untrusted search path vulnerability in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ic
Quest Toad for Data Analysts 3.0.1 uses weak permissions (Everyone: Full Control) for the %COMMONPRO
Race condition in the initialization routine in blued in Bluetooth in Apple Mac OS X before 10.7.4 a
Race condition in LoginUIFramework in Apple Mac OS X 10.7.x before 10.7.4, when the Guest account is