What’s Vulnerable › Vulnerabilities

CVE-2022-38473

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-281

Description

A cross-origin iframe referencing an XSLT document would inherit the parent domain's permissions (such as microphone or camera access). This vulnerability affects Thunderbird < 102.2, Thunderbird < 91.13, Firefox ESR < 91.13, Firefox ESR < 102.2, and Firefox < 104.

Affected products

• Mozilla Firefox: before 104.0; from 102.0 before 102.2 — fixed in 102.2, 104.0
• Mozilla Firefox ESR: before 91.13 — fixed in 91.13
• Mozilla Thunderbird: before 91.13; from 102.0 before 102.2 — fixed in 102.2, 91.13

How to fix

Upgrade to a fixed version: Mozilla Firefox 102.2, 104.0; Mozilla Firefox ESR 91.13; Mozilla Thunderbird 102.2, 91.13. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1771685
• https://www.mozilla.org/security/advisories/mfsa2022-33/
• https://www.mozilla.org/security/advisories/mfsa2022-34/
• https://www.mozilla.org/security/advisories/mfsa2022-35/
• https://www.mozilla.org/security/advisories/mfsa2022-36/
• https://www.mozilla.org/security/advisories/mfsa2022-37/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1771685
• https://www.mozilla.org/security/advisories/mfsa2022-33/
• https://www.mozilla.org/security/advisories/mfsa2022-34/
• https://www.mozilla.org/security/advisories/mfsa2022-35/
• https://www.mozilla.org/security/advisories/mfsa2022-36/
• https://www.mozilla.org/security/advisories/mfsa2022-37/

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