What’s Vulnerable › Vulnerabilities

CVE-2013-5612

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-12-11 · updated 2026-06-16
• Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 26.0 and SeaMonkey before 2.23 makes it easier for remote attackers to inject arbitrary web script or HTML by leveraging a Same Origin Policy violation triggered by lack of a charset parameter in a Content-Type HTTP header.

Affected products

• Canonical Ubuntu Linux: 12.04, 12.10, 13.04, 13.10
• Fedoraproject Fedora: 19, 20
• Mozilla Firefox: before 26.0 — fixed in 26.0
• Mozilla Seamonkey: before 2.23 — fixed in 2.23
• Opensuse: 12.2, 12.3, 13.1
• Oracle Corporation Solaris Operating System: 11.3
• RedHat Enterprise Linux Desktop: 5.0, 6.0
• RedHat Enterprise Linux Eus: 6.5
• RedHat Enterprise Linux Server: 5.0, 6.0
• RedHat Enterprise Linux Server Aus: 6.5
• RedHat Enterprise Linux Server Eus: 6.5
• RedHat Enterprise Linux Server Tus: 6.5
• RedHat Enterprise Linux Workstation: 5.0, 6.0
• SUSE Linux Enterprise Server 15 SP1: 11-sp3
• SUSE Linux Enterprise Server: 11-sp3
• SUSE Linux Enterprise Software Development Kit: 11-sp3

How to fix

Upgrade to a fixed version: Mozilla Firefox 26.0; Mozilla Seamonkey 2.23. Check the vendor advisory for mitigations.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123437.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124257.html
• http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00010.html
• http://lists.opensuse.org/opensuse-updates/2013-12/msg00085.html
• http://lists.opensuse.org/opensuse-updates/2013-12/msg00086.html
• http://lists.opensuse.org/opensuse-updates/2013-12/msg00087.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00002.html
• http://rhn.redhat.com/errata/RHSA-2013-1812.html
• http://www.mozilla.org/security/announce/2013/mfsa2013-106.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.securityfocus.com/bid/64205
• http://www.securitytracker.com/id/1029470

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