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Wed, 22 Apr 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, the user dashboard's "Seen successful connections" (login history) renders the client IP from login logs without HTML escaping. Because the server trusts the X-Real-IP header as the source IP for logging, an attacker can inject HTML/JS into this field. This Self-XSS can be exploited by a Login CSRF to force the victim into the attacker's account, and then read emails in a previous browser tab. Version 2026-03b fixes the vulnerability. | |
| Title | mailcow: dockerized vulnerable to stored XSS in user login history real_rip | |
| Weaknesses | CWE-79 CWE-80 |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-21T20:36:24.334Z
Reserved: 2026-04-15T15:57:41.718Z
Link: CVE-2026-40875
Updated: 2026-04-21T19:53:12.403Z
Status : Received
Published: 2026-04-21T20:17:01.120
Modified: 2026-04-21T21:16:43.477
Link: CVE-2026-40875
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