CVE-2022-40956 Information

Description

When injecting an HTML base element some requests would ignore the CSP’s base-uri settings and accept the injected element’s base instead. This vulnerability affects Firefox ESR < 102.3 Thunderbird < 102.3 and Firefox < 105.

Reference

https://www.mozilla.org/security/advisories/mfsa2022-42/ https://www.mozilla.org/security/advisories/mfsa2022-41/ https://www.mozilla.org/security/advisories/mfsa2022-40/ https://bugzilla.mozilla.org/show_bug.cgi?id=1770094