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.
References
| Link | Resource |
|---|---|
| https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868b | Patch |
| https://gitlab.com/mailman/postorius/-/issues/620 | Issue Tracking Vendor Advisory |
| https://gitlab.com/mailman/postorius/-/merge_requests/972 | Issue Tracking Patch |
| https://www.openwall.com/lists/oss-security/2026/05/07/3 | Mailing List Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2026/05/msg00045.html |
Configurations
History
26 May 2026, 00:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
|
| References | () https://gitlab.com/mailman/postorius/-/issues/620 - Issue Tracking, Vendor Advisory |
14 May 2026, 17:42
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Postorius Project
Postorius Project postorius |
|
| CPE | cpe:2.3:a:postorius_project:postorius:*:*:*:*:*:*:*:* | |
| References | () https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868b - Patch | |
| References | () https://gitlab.com/mailman/postorius/-/issues/620 - Vendor Advisory, Issue Tracking | |
| References | () https://gitlab.com/mailman/postorius/-/merge_requests/972 - Issue Tracking, Patch | |
| References | () https://www.openwall.com/lists/oss-security/2026/05/07/3 - Mailing List, Patch, Third Party Advisory |
07 May 2026, 19:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-07 19:16
Updated : 2026-05-26 00:16
NVD link : CVE-2026-44742
Mitre link : CVE-2026-44742
CVE.ORG link : CVE-2026-44742
JSON object : View
Products Affected
postorius_project
- postorius
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')