CVE-2015-7808

Exp

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.

Published: 2015-11-24 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-7808 is rated High Exploit Risk (81.4/100): CVSS High severity, with high exploitation likelihood (EPSS 79.04%, 99th percentile). 9 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.68% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-7808

EDB-ID Source Kind Published Link
48761 exploit_db edb 2017-07-24 Exploit-DB ↗
38790 exploit_db edb 2015-11-23 Exploit-DB ↗
38629 exploit_db edb 2015-11-05 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
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Exploit prediction scoring system (EPSS) score for CVE-2015-7808

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-11 77.36% 79.04% +1.68%
2 2026-02-06 79.04% 77.36% -1.68%
3 2025-12-18 — 79.04% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7808

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-7808

Affected software / configurations for CVE-2015-7808

Vendor Product Version Raw CPE
vbulletin vbulletin 5.0.0 cpe:2.3:a:vbulletin:vbulletin:5.0.0:*:*:*:*:*:*:*
vbulletin vbulletin 5.0.1 cpe:2.3:a:vbulletin:vbulletin:5.0.1:*:*:*:*:*:*:*
vbulletin vbulletin 5.0.2 cpe:2.3:a:vbulletin:vbulletin:5.0.2:*:*:*:*:*:*:*
vbulletin vbulletin 5.0.3 cpe:2.3:a:vbulletin:vbulletin:5.0.3:*:*:*:*:*:*:*
vbulletin vbulletin 5.0.4 cpe:2.3:a:vbulletin:vbulletin:5.0.4:*:*:*:*:*:*:*
vbulletin vbulletin 5.0.5 cpe:2.3:a:vbulletin:vbulletin:5.0.5:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.0 cpe:2.3:a:vbulletin:vbulletin:5.1.0:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.0 cpe:2.3:a:vbulletin:vbulletin:5.1.0:rc1:*:*:*:*:*:*
vbulletin vbulletin 5.1.1 cpe:2.3:a:vbulletin:vbulletin:5.1.1:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.2 cpe:2.3:a:vbulletin:vbulletin:5.1.2:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.2 cpe:2.3:a:vbulletin:vbulletin:5.1.2:beta1:*:*:*:*:*:*
vbulletin vbulletin 5.1.2 cpe:2.3:a:vbulletin:vbulletin:5.1.2:rc1:*:*:*:*:*:*
vbulletin vbulletin 5.1.2 cpe:2.3:a:vbulletin:vbulletin:5.1.2:rc2:*:*:*:*:*:*
vbulletin vbulletin 5.1.3 cpe:2.3:a:vbulletin:vbulletin:5.1.3:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.3 cpe:2.3:a:vbulletin:vbulletin:5.1.3:alpha5:*:*:*:*:*:*
vbulletin vbulletin 5.1.4 cpe:2.3:a:vbulletin:vbulletin:5.1.4:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.5 cpe:2.3:a:vbulletin:vbulletin:5.1.5:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.6 cpe:2.3:a:vbulletin:vbulletin:5.1.6:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.7 cpe:2.3:a:vbulletin:vbulletin:5.1.7:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.8 cpe:2.3:a:vbulletin:vbulletin:5.1.8:*:*:*:*:*:*:*
vbulletin vbulletin 5.1.9 cpe:2.3:a:vbulletin:vbulletin:5.1.9:*:*:*:*:*:*:*

References for CVE-2015-7808

cvelogic Threat Intelligence