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Medium · 6.5 CVE-2026-111912 EUVD-2026-103308GHSA-j6q3-mqjq-8j39

Admidio 5.0.0 before 5.0.16 IDOR via Forum Topic Update

Published Oct 17, 2026 · Updated Oct 19, 2026 · Assigned by VulnCheck

Description

Admidio from 5.0.0 before 5.0.16 contains an insecure direct object reference vulnerability in ForumService::saveTopic() that allows authenticated members to modify other users' forum topics. Attackers can replace the topic_uuid parameter in their own topic_save request, reusing their CSRF token, to overwrite the victim topic's title and first post.

Affected products

VendorProductAffectedFixed
Admidio admidio 5.0.0 – < 5.0.16 5.0.16

References