CVE-2012-1957

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.

Metrics

CVSS 2.0 4.3/10AV:N/AC:M/Au:N/C:N/I:P/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published
Jul 18, 2012
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2012-1957: Medium severity, CVSS 4.3 | Vulnix