CVE-2026-44742
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | postorius project |
| Product | postorius |
| Published | May 7, 2026 |
| Last Updated | May 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Postorius project / Postorius
0 ≤ 1.3.13
References
gitlab.com: https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868b gitlab.com: https://gitlab.com/mailman/postorius/-/merge_requests/972 gitlab.com: https://gitlab.com/mailman/postorius/-/issues/620 openwall.com: https://www.openwall.com/lists/oss-security/2026/05/07/3