What’s Vulnerable › Vulnerabilities

CVE-2012-0477

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-04-25 · updated 2026-06-16
• Weakness: CWE-79

Description

Multiple cross-site scripting (XSS) vulnerabilities in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to inject arbitrary web script or HTML via the (1) ISO-2022-KR or (2) ISO-2022-CN character set.

Affected products

• Mozilla Firefox: 4.0, 4.0-beta1, 4.0-beta10, 4.0-beta11, 4.0-beta12, 4.0-beta2 (+24)
• Mozilla Seamonkey: through 2.9; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+106)
• Mozilla Thunderbird: 5.0, 6.0, 6.0.1, 6.0.2, 7.0, 7.0.1 (+9)
• Mozilla Thunderbird ESR: 10.0, 10.0.1, 10.0.2, 10.0.3

References

• http://secunia.com/advisories/48920
• http://secunia.com/advisories/48922
• http://secunia.com/advisories/48972
• http://secunia.com/advisories/49047
• http://secunia.com/advisories/49055
• http://www.debian.org/security/2012/dsa-2457
• http://www.debian.org/security/2012/dsa-2458
• http://www.debian.org/security/2012/dsa-2464
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:066
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:081
• http://www.mozilla.org/security/announce/2012/mfsa2012-29.html
• http://www.securityfocus.com/bid/53229

Get alerted when CVE-2012-0477 or the next vulnerability affects your stack