CVE-2006-0658: Fckeditor

Medium severity, CVSS 5.0. EPSS: 6.9% chance of exploitation in the next 30 days.

Incomplete blacklist vulnerability in connector.php in FCKeditor 2.0 and 2.2, as used in products such as RunCMS, allows remote attackers to upload and execute arbitrary script files by giving the files specific extensions that are not listed in the Config[DeniedExtensions][File], such as .php.txt.

Affected products

• Fckeditor Fckeditor: version 2.0 only; version 2.2 only

Published 2006-02-13. Last modified 2026-06-16.