CVE-2022-28284
Published: 22 December 2022
Summary
CVE-2022-28284 is a high-severity Improper Encoding or Escaping of Output (CWE-116) vulnerability in Mozilla Firefox. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 43.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32736
Vulnerability details
SVG's <code><use></code> element could have been used to load unexpected content that could have executed script in certain circumstances. While the specification seems to allow this, other browsers do not, and web developers relied on this property for script security…
more
so gecko's implementation was aligned with theirs. This vulnerability affects Firefox < 99.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validating that output matches expected content directly mitigates failures to properly encode or escape data for its destination context.