CVE-2020-7373: vBulletin

Critical severity, CVSS 9.8. EPSS: 45% chance of exploitation in the next 30 days.

vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759. ALSO NOTE: CVE-2020-7373 is a duplicate of CVE-2020-17496. CVE-2020-17496 is the preferred CVE ID to track this vulnerability.

Affected products

• vBulletin vBulletin: from 5.5.4, up to and including 5.6.2

Published 2020-10-30. Last modified 2026-06-17.