Critical severity9.8NVD Advisory· Published Jul 22, 2025· Updated Apr 13, 2026
CVE-2025-8031
CVE-2025-8031
Description
The username:password part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
Affected products
4cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <141.0
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <128.13.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <141.0
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <128.13.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- www.mozilla.org/security/advisories/mfsa2025-56/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-58/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-59/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-61/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-62/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-63/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
- lists.debian.org/debian-lts-announce/2025/07/msg00016.htmlnvd
News mentions
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