CVE-2019-16759 vBulletin PHP Module Remote Code Execution
Remote attackers can execute arbitrary code on vBulletin servers by injecting PHP code into the widget configuration parameter.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-16759?
CVE-2019-16759 is a critical code injection vulnerability in Vbulletin Vbulletin, published on 24 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
vBulletin 5.x through 5.5.4 allows remote command execution via the widgetConfig[code] parameter in an ajax/render/widget_php routestring request.
Weakness: CWE-94
Which versions are affected by CVE-2019-16759?
It affects 1 product.
Products include Vbulletin Vbulletin.
How do I fix CVE-2019-16759?
No fix has been published for CVE-2019-16759 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-16759 being exploited?
Yes. Attackers have exploited CVE-2019-16759 in the wild since at least 3 Nov 2021.
Public exploit code: 1 Metasploit module, 2 Exploit-DB entries, 1 Nuclei template and 13 proofs of concept on GitHub.
Other vulnerabilities in Vbulletin Vbulletin
- CVE-2020-17496 vBulletin PHP Module Remote Code Execution
- CVE-2025-48827 vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running
- CVE-2023-25135 Deserialization in n/a
- CVE-2020-7373 Code injection in n/a
- CVE-2020-12720 SQL injection in n/a
Sources
Also known as GHSA-c7wq-5768-48mp.