CVE-2025-13013

MEDIUM

Firefox < 145 - Firefox ESR < 140.5-115.30 - Mitigation Bypass

Title source: llm

Description

Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.

References (6)

[Permissions Required] https://bugzilla.mozilla.org/show_bug.cgi?id=1991945

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2025-87/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2025-88/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2025-89/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2025-90/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2025-91/

Scores

CVSS v3 6.1

EPSS 0.0005

EPSS Percentile 16.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-288

Status published

Products (7)

mozilla/firefox < 115.30.0

mozilla/firefox < 145.0

Mozilla/Firefox 115.30 - 115.*

Mozilla/Firefox 140.5 - 140.*

Mozilla/Firefox 145

Mozilla/Thunderbird 140.5 - 140.*

Mozilla/Thunderbird 145

Published Nov 11, 2025

Tracked Since Feb 18, 2026