CVE-2013-1714: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 2.1% chance of exploitation in the next 30 days.

The Web Workers implementation in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, Thunderbird ESR 17.x before 17.0.8, and SeaMonkey before 2.20 does not properly restrict XMLHttpRequest calls, which allows remote attackers to bypass the Same Origin Policy and conduct cross-site scripting (XSS) attacks via unspecified vectors.

Affected products

• Mozilla Firefox: version 17.0 only; version 17.0.1 only; version 17.0.2 only; version 17.0.3 only; version 17.0.4 only; version 17.0.5 only; …
• Mozilla Seamonkey: up to and including 2.20; version 2.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; …
• Mozilla Thunderbird: up to and including 17.0.7; version 17.0 only; version 17.0.1 only; version 17.0.2 only; version 17.0.3 only; version 17.0.4 only; …
• Mozilla Thunderbird ESR: version 17.0 only; version 17.0.1 only; version 17.0.2 only; version 17.0.3 only; version 17.0.4 only; version 17.0.5 only; …

Published 2013-08-07. Last modified 2026-06-16.