VDB
CVE-2026-44742
CVE-2026-44742
PUBLISHED
CVSS 7.199999809265137 HIGH
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.
EPSS 0.24% · 15.1th percentile
Risk Scores
CVSS 3.1
7.199999809265137
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS Score
0.24%
15.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Postorius project | Postorius | 0 |
| postorius_project | postorius |
Timeline
- May 7, 2026 CVE Published
- May 7, 2026 VulnCheck KEV Exploitation
- May 7, 2026 PoC Published
- May 8, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
References
- https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868b url
- https://gitlab.com/mailman/postorius/-/merge_requests/972 url
- https://gitlab.com/mailman/postorius/-/issues/620 url
- https://www.openwall.com/lists/oss-security/2026/05/07/3 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-44742 advisory