Because Firefox did not implement the <code>unsafe-hashes</code> CSP directive, an attacker who was able to inject markup into a page otherwise protected by a Content Security Policy may have been able to inject executable script. This would be severely constrained by the specified Content Security Policy of the document. This vulnerability affects Firefox < 108.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
| Link | Tags |
|---|---|
| https://www.mozilla.org/security/advisories/mfsa2022-51/ | vendor advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1644790 | issue tracking |
| https://security.gentoo.org/glsa/202305-06 | vendor advisory |