CVE-2013-5612: n/a vulnerability

CVE-2013-5612: Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 26.0 and SeaMonkey before 2.23 makes it...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 17:15 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2013-5612 is an old Mozilla browser flaw that could let a remote attacker inject script or HTML under certain content-type handling conditions. It affected Firefox before 26.0 and SeaMonkey before 2.23. The main concern is legacy systems still running those versions. Exposure is most likely on unmanaged legacy endpoints, embedded browsers, kiosks, or old Linux distributions retaining vulnerable Firefox or SeaMonkey packages. Modern supported browsers should not be affected by this specific issue. Treat this as a legacy exposure cleanup item, not an emergency based on the supplied evidence. Prioritize if old browsers remain in production, especially on systems used to access sensitive internal applications. Mitigation focus: Upgrade Firefox to 26.0 or later where still relevant.; Upgrade SeaMonkey to 2.23 or later where still relevant.; Apply vendor-supported distro browser updates from Mozilla, Red Hat, Ubuntu, SUSE, Fedora, or Gentoo..

Prepared: Jun 14, 2026, 15:13 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 11, 2013, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
GLSA-201504-01CVE reference · vendor-advisory, x_refsource_GENTOO
https://bugzilla.mozilla.org/show_bug.cgi?id=871161CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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