Woltlab WCF up to 6.2.4 UserEditor UserEditor.class.php updateUserOptions sql injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in Woltlab WCF up to 6.2.4. This issue affects the function updateUserOptions of the file UserEditor.class.php of the component UserEditor. This manipulation causes sql injection. This vulnerability is handled as CVE-2026-52630. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Woltlab WCF up to 6.2.4. Affected by this vulnerability is the function updateUserOptions of the file UserEditor.class.php of the component UserEditor. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

SQL Injection vulnerability in Woltlab WCF v.6.2.4 and before allows a remote attacker to updateUserOptions in UserEditor.class.php and the update action in UserAction.class.php

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-52630 since 06/08/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/11/2026). The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

By approaching the search of inurl:UserEditor.class.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Woltlab

Name

• WCF

Version

• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4

License

• commercial

Website

• Vendor: https://www.woltlab.com/

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