CVE-2013-6129

Exp

The install/upgrade.php scripts in vBulletin 4.1 and 5 allow remote attackers to create administrative accounts via the customerid, htmldata[password], htmldata[confirmpassword], and htmldata[email] parameters, as exploited in the wild in October 2013.

Published: 2013-10-19 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6129 is rated High Exploit Risk (74.6/100): CVSS High severity, with high exploitation likelihood (EPSS 51.89%, 99th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2013-6129

EDB-ID Source Kind Published Link
38785 exploit_db edb 2013-10-13 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-6129

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 2026-06-15 78.19% 51.89% -26.30%
2 2026-04-20 76.07% 78.19% +2.12%
3 2026-04-19 — 76.07% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6129

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-2013-6129

Affected software / configurations for CVE-2013-6129

Vendor Product Version Raw CPE
vbulletin vbulletin 4.1 cpe:2.3:a:vbulletin:vbulletin:4.1:*:*:*:*:*:*:*
vbulletin vbulletin 5.0.0 cpe:2.3:a:vbulletin:vbulletin:5.0.0:*:*:*:*:*:*:*

References for CVE-2013-6129

cvelogic Threat Intelligence