AUGUST 4, 2026
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Case File

CVE-2025-11712

MEDIUM · CVSS 6.1 EPSS 0.25%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-14 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. It affects Firefox.

CVE
CVE-2025-11712
Severity
MEDIUM
CVSS
6.1
EPSS
0.25%
Firefox

Original NVD Description

A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Related CVEs

Other vulnerabilities affecting the same vendor(s)