CVE-2012-4207

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

The HZ-GB-2312 character-set implementation in 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 does not properly handle a ~ (tilde) character in proximity to a chunk delimiter, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.

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
Nov 21, 2012
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2012-4207: Medium severity, CVSS 4.3 | Vulnix