CVE-2021-36543: Seeddms

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Cross-Site Request Forgery (CSRF) vulnerability in the /op/op.UnlockDocument.php in SeedDMS v5.1.x <5.1.23 and v6.0.x <6.0.16 allows a remote attacker to unlock any document without victim's knowledge, by enticing an authenticated user to visit an attacker's web page.

Affected products

• Seeddms Seeddms: from 5.1.0, before 5.1.23 (fixed in 5.1.23); from 6.0.7, before 6.0.16 (fixed in 6.0.16); version 6.0.6 only

Published 2021-08-03. Last modified 2026-06-17.