CVE-2026-52630 Woltlab WCF - SQL Injection

Woltlab WCF <= 6.2.4 contains a SQL injection caused by improper sanitization in UserEditor.class.php and UserAction.class.php, letting remote attackers execute arbitrary SQL commands, exploit requires crafted requests.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.66% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
SQL Injection
Impact
SQL Injection, Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-89

Vendor fix

Update to the latest version beyond 6.2.4.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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