Cross-site Scripting (XSS) The advisory has been revoked - it doesn't affect any version of package firefox (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-FIREFOX-12309623
- published1 Sept 2025
- disclosed28 Jun 2022
Introduced: 28 Jun 2022
CVE-2022-31744 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL.
An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security Policy. This vulnerability affects Firefox ESR < 91.11, Thunderbird < 102, Thunderbird < 91.11, and Firefox < 101.
References
- https://access.redhat.com/security/cve/CVE-2022-31744
- https://access.redhat.com/errata/RHSA-2022:5481
- https://www.mozilla.org/security/advisories/mfsa2022-20/
- https://www.mozilla.org/security/advisories/mfsa2022-25/
- https://www.mozilla.org/security/advisories/mfsa2022-26/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1757604