CVE-2022-40956

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.

References

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

Details