Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-7808

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.

Security Impact Summary

CVE-2015-7808 is a security vulnerability that . Impacting 1 product from vbulletin organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-11-24T20:59:07.983

Last Modified

2026-05-06T22:30:45.220

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	vbulletin	vbulletin	5.0.0	Yes
Application	vbulletin	vbulletin	5.0.1	Yes
Application	vbulletin	vbulletin	5.0.2	Yes
Application	vbulletin	vbulletin	5.0.3	Yes
Application	vbulletin	vbulletin	5.0.4	Yes
Application	vbulletin	vbulletin	5.0.5	Yes
Application	vbulletin	vbulletin	5.1.0	Yes
Application	vbulletin	vbulletin	5.1.0	Yes
Application	vbulletin	vbulletin	5.1.1	Yes
Application	vbulletin	vbulletin	5.1.2	Yes
Application	vbulletin	vbulletin	5.1.2	Yes
Application	vbulletin	vbulletin	5.1.2	Yes
Application	vbulletin	vbulletin	5.1.2	Yes
Application	vbulletin	vbulletin	5.1.3	Yes
Application	vbulletin	vbulletin	5.1.3	Yes
Application	vbulletin	vbulletin	5.1.4	Yes
Application	vbulletin	vbulletin	5.1.5	Yes
Application	vbulletin	vbulletin	5.1.6	Yes
Application	vbulletin	vbulletin	5.1.7	Yes
Application	vbulletin	vbulletin	5.1.8	Yes
Application	vbulletin	vbulletin	5.1.9	Yes

References

http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/ Exploit ([email protected])
http://packetstormsecurity.com/files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.html Exploit ([email protected])
http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsq Exploit ([email protected])
http://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_unserialize Exploit ([email protected])
https://blog.sucuri.net/2015/11/vbulletin-exploits-in-the-wild.html Exploit ([email protected])
https://www.exploit-db.com/exploits/38629/ Exploit ([email protected])
http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/ Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.html Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsq Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_unserialize Exploit (af854a3a-2127-422b-91ae-364da2661108)
https://blog.sucuri.net/2015/11/vbulletin-exploits-in-the-wild.html Exploit (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/38629/ Exploit (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For vbulletin's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.