CVE-2018-5377: Discuz Discuzx

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Discuz! DiscuzX X3.4 allows remote attackers to bypass intended access restrictions via the archiver\index.php action parameter.

Affected products

• Discuz Discuzx: version x3.4 only

Published 2018-01-12. Last modified 2026-06-17.