Security Advisory

CVE-2025-5265

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-05-27 12:29:24

Last updated 2026-04-13 14:28:00

Assigner mozilla

State PUBLISHED

Description

Due to insufficient escaping of the ampersand character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the users system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

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