https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-30T18:18:10.961615+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-44742 CVE-2026-44742 2026-09-30T18:18:11.166872+00:00

Affected: Postorius project Postorius

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.

 https://vulnerability.circl.lu/vuln/usn-8323-1 USN-8323-1 — postorius vulnerability 2026-09-30T18:18:11.166977+00:00

Affected: Ubuntu:Pro:18.04:LTS: postorius, Ubuntu:Pro:20.04:LTS: postorius, Ubuntu:Pro:22.04:LTS: postorius, Ubuntu:Pro:24.04:LTS: postorius, Ubuntu:25.10: postorius, Ubuntu:26.04:LTS: postorius

It was discovered that Postorius did not properly escape HTML in message subjects when rendering the Held messages pop-up. An attacker could possibly use this issue to inject arbitrary HTML, resulting in exposure of sensitive information.