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Medium 6.1Published May 7, 2026
CVE-2026-44742Postorius 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.
Updated under an hour ago ()
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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.
- CVSS
- 6.1 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
postorius_project postorius postorius_project:postorius | through 1.3.13 | NVD |
References
- https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868bpatch
- https://gitlab.com/mailman/postorius/-/issues/620issue-tracking, vendor-advisory
- https://gitlab.com/mailman/postorius/-/merge_requests/972issue-tracking, patch
- https://www.openwall.com/lists/oss-security/2026/05/07/3mailing-list, patch, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00045.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.