CVE-2025-53909 describes a Server-Side Template Injection (SSTI) vulnerability in mailcow: dockerized versions prior to 2025-07. This flaw allows an authenticated administrator to execute arbitrary code by manipulating notification templates for quota and quarantine alerts. Rated High severity with a CVSS score of 7.2, the vulnerability requires high privileges but can lead to full compromise (Confidentiality, Integrity, Availability). While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2025-07CPE matchmatch criteria | cpe:2.3:a:mailcow:mailcow\:_dockerized:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.