# CVE-2019-16759

vBulletin 5.x through 5.5.4 allows remote command execution via the widgetConfig[code] parameter in an ajax/render/widget_php routestring request.

- Page: https://www.vulneraibility.com/cve/CVE-2019-16759
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 99.73% (percentile 100.0)
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module · 13 GitHub proofs of concept · 1 Nuclei template (first 2019-09-23)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-04)
- Weakness: CWE-94
- Published: 2019-09-24

## Affected

- vbulletin:vbulletin

## References

- [other] https://seclists.org/fulldisclosure/2019/Sep/31
- [other] https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/
- [other] https://arstechnica.com/information-technology/2019/09/public-exploit-code-spawns-mass-attacks-against-high-severity-vbulletin-bug/
- [other] http://packetstormsecurity.com/files/154623/vBulletin-5.x-0-Day-Pre-Auth-Remote-Command-Execution.html
- [other] http://packetstormsecurity.com/files/154648/vBulletin-5.x-Pre-Auth-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/155633/vBulletin-5.5.4-Remote-Command-Execution.html
- [other] http://packetstormsecurity.com/files/158830/vBulletin-5.x-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/158829/vBulletin-5.x-Remote-Code-Execution.html
- [other] http://seclists.org/fulldisclosure/2020/Aug/5
- [other] http://packetstormsecurity.com/files/158866/vBulletin-5.x-Remote-Code-Execution.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16759

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.