What’s Vulnerable › Vulnerabilities

CVE-2015-7808

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 80.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-11-24 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• vBulletin: 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5 (+15)

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/
• 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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