Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations. This vulnerability affects…

Description

Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Scores

EPSS (exploitation in 30 days)

0.68% · top 47% of all CVEs (7 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

• Leaking cross-origin URLs through securitypolicyviolation event
• CWE-200 Exposure of Sensitive Information to an Unauthorized Actor (opens in a new tab)All about CWE-200 and its CVEs

Affected products

• Mozilla · Firefox ESR

  • affected unspecified – < 91.5

• Mozilla · Firefox

  • affected unspecified – < 96

• Mozilla · Thunderbird

  • affected unspecified – < 91.5

References (4)

• https://www.mozilla.org/security/advisories/mfsa2022-01/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-02/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-03/ (opens in a new tab)x_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1735856 (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2022-22745](https://trackcve.app/badge/CVE-2022-22745.svg)](https://trackcve.app/cve/CVE-2022-22745)

Record last updated 16 Apr 2025, 15:04 UTC.