VULNERABILITY INTELLIGENCE
CVE-2026-44742
CVSS score7.2 HIGH
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-05-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Description
Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.
Weakness classification
- cve@mitre.org: CWE-79
Primary references
- cve@mitre.org — Patch
- cve@mitre.org — Issue Tracking, Vendor Advisory
- cve@mitre.org — Issue Tracking, Patch
- cve@mitre.org — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108