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…

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.

Scores

EPSS (exploitation in 30 days)

0.96% · top 38% of all CVEs (7 Nov 2026)

CISA SSVC

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

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• Drag and dropping an image could have resulted in the dropped object being an executable
• CWE-94 Improper Control of Generation of Code ('Code Injection') (opens in a new tab)All about CWE-94 and its CVEs

Affected products

• Mozilla · Firefox

  • affected unspecified – < 97

• Mozilla · Thunderbird

  • affected unspecified – < 91.6

• Mozilla · Firefox ESR

  • affected unspecified – < 91.6

References (4)

• https://www.mozilla.org/security/advisories/mfsa2022-05/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-04/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-06/ (opens in a new tab)x_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1317873 (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-2022-22756](https://trackcve.app/badge/CVE-2022-22756.svg)](https://trackcve.app/cve/CVE-2022-22756)

Record last updated 16 Apr 2025, 14:39 UTC.