Medium severityNVD Advisory· Published May 29, 2026· Updated May 29, 2026
CVE-2026-33384
CVE-2026-33384
Description
QuickCMS allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session.
This issue was fixed in a patch to version 6.8 published on 15.05.2026, deployments without this patch are still vulnerable.
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Affected products
1Patches
Vulnerability mechanics
References
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