ACTIVELY EXPLOITED
CVE-2020-17496: vBulletin PHP Module Remote Code Execution Vulnerability
| Vendor | vBulletin |
|---|---|
| Product | vBulletin |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Weakness (CWE) | CWE-74 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE ID resolves an incomplete patch for CVE-2019-16759.
SOURCES
Other vBulletin flaws
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.