CVE-2022-22761

Summary

Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 97affected
MozillaThunderbirdunspecified < 91.6affected
MozillaFirefox ESRunspecified < 91.6affected

Weaknesses

  • frame-ancestors Content Security Policy directive was not enforced for framed extension pages

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: total

Additional References

References