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The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
Reserved 2025-07-22 | Published 2025-07-22 | Updated 2025-07-22 | Assigner mozillaIncorrect URL stripping in CSP reports
Tom Schuster
bugzilla.mozilla.org/show_bug.cgi?id=1971719
www.mozilla.org/security/advisories/mfsa2025-56/
www.mozilla.org/security/advisories/mfsa2025-58/
www.mozilla.org/security/advisories/mfsa2025-59/
www.mozilla.org/security/advisories/mfsa2025-61/
www.mozilla.org/security/advisories/mfsa2025-62/
www.mozilla.org/security/advisories/mfsa2025-63/
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