CVE & CISA-KEV CatalogNVD
CVE-2015-7808
HIGHEPSS 100th pctl7.5
CVSS v2
Description
The vB_Api_Hook::decodeArguments method in vBulletin 5 Connect 5.1.2 through 5.1.9 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object in the arguments parameter to ajax/api/hook/decodeArguments.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
80.64%probability of exploitation in 30 days
100thpercentile
Very high risk: more likely to be exploited than 100% of all known CVEs.
References
- http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/
- http://packetstormsecurity.com/files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.html
- http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsq
- http://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_unserialize
- https://blog.sucuri.net/2015/11/vbulletin-exploits-in-the-wild.html
- https://www.exploit-db.com/exploits/38629/
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.