How severe is CVE-2013-6129?

CVE-2013-6129 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-6129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6129?

CVE-2013-6129 primarily affects Vbulletin. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6129?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-6129 published?

CVE-2013-6129 was published on 2013-10-19 and last updated on 2026-06-17.

CVE-2013-6129

CVE-2013-6129 is a high-severity vulnerability in Vbulletin with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 52% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 52% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Vbulletin
Published: 2013-10-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2013-6129?: 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.
How severe is CVE-2013-6129?: CVE-2013-6129 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-6129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6129?: CVE-2013-6129 primarily affects Vbulletin. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6129?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-6129 published?: CVE-2013-6129 was published on 2013-10-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:vbulletin:vbulletin:4.1:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.0.0:*:*:*:*:*:*:*

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