CVE-2022-22760
MEDIUMFirefox < 97.0 and Firefox ESR < 91.6 - Information Disclosure via Web Worker Resource Import Error Messages
Title source: llmDescription
When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
References (5)
Core 5
Core References
Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1740985
Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1748503
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-04/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-05/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-06/
Scores
CVSS v3
6.5
EPSS
0.0026
EPSS Percentile
49.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-209
Status
published
Products (3)
mozilla/firefox
< 97.0
mozilla/firefox_esr
< 91.6
mozilla/thunderbird
< 91.6
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026