Which products and versions are affected by CVE-2013-3522?

Affected: Vbulletin versions 5.0.0-beta_11, 5.0.0-beta_28. The full list is in the CVE brief.

Is CVE-2013-3522 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Dec 11, 2013.

Is CVE-2013-3522 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2013-3522?

Public exploit code is available.

Is there a fix for CVE-2013-3522?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2013-3522 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Emerging threatsMedium

CVE-2013-3522Vbulletin SQL Injection

SQL injection vulnerability in index.php/ajax/api/reputation/vote in vBulletin 5.0.0 Beta 11, 5.0.0 Beta 28, and earlier allows remote authenticated users to execute arbitrary SQL commands via the nodeid parameter.

Published May 10, 2013 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2013-3522 is a medium-severity vulnerability (CVSS 6.5 v2) affecting Vbulletin.
It is exploited in the wild, listed in Industry KEV feed since Dec 11, 2013. Public exploit code is available.
EPSS estimates a 27% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v2

6.5

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

EPSS (30-day exploit likelihood)

27%

Higher than 98.0% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

46/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Dec 11, 2013

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Dec 11, 2013	n/a	Not reported

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
VbulletinVbulletin	5.0.0-beta_11, 5.0.0-beta_28	n/a

Timeline

Publicly disclosed
May 10, 2013
Added to Industry KEV feed
Dec 11, 2013
Last updated
Apr 28, 2026

Weakness Type

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

FAQ

Common Questions.

SQL injection vulnerability in index.php/ajax/api/reputation/vote in vBulletin 5.0.0 Beta 11, 5.0.0 Beta 28, and earlier allows remote authenticated users to execute arbitrary SQL commands via the nodeid parameter.
Affected: Vbulletin versions 5.0.0-beta_11, 5.0.0-beta_28. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Dec 11, 2013.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2013-3522 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.