CVE-2022-22756

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script which would have run arbitrary code after the user clicked on it. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 97
Mozilla	Thunderbird	>= unspecified, < 91.6
Mozilla	Firefox ESR	>= unspecified, < 91.6

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1317873Exploit, Issue Tracking, 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/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1317873Exploit, Issue Tracking, 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/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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