← Vulnerability feed

Vulnerability record · CVE-2006-0658 · published 13 February 2006

CVE-2006-0658: Fckeditor vulnerability

Fckeditor · Fckeditor

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.

5.0 CVSS 2.0 Medium EPSS 6.9% · top 6.1%
5.0CVSS 2.0 base score
6.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2006-0658 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2009-2265FCKeditor connector directory traversal enables arbitrary file creationFCKeditor before 2.6.4.1 contains multiple directory traversal flaws in its connector modules, reachable through the file browser and editor/filemana…EPSS 84%analysed7.5CVE-2008-6178Fckeditor code injection vulnerabilityUnrestricted file upload vulnerability in editor/filemanager/browser/default/connectors/php/connector.php in FCKeditor 2.2, as used in Falt4 CMS, Nuk…EPSS 7.8%6.4CVE-2006-0921Fckeditor vulnerabilityMultiple directory traversal vulnerabilities in connector.php in FCKeditor 2.0 FC, as used in products such as RunCMS, allow remote attackers to list…EPSS 1.7%5.0CVE-2006-2529Fckeditor vulnerabilityeditor/filemanager/upload/php/upload.php in FCKeditor before 2.3 Beta, when the upload feature is enabled, does not verify the Type parameter, which …EPSS 2.4%5.0CVE-2005-0613Fckeditor vulnerabilityUnknown vulnerability in FCKeditor 2.0 RC2, when used with PHP-Nuke, allows remote attackers to upload arbitrary files.EPSS 4.6%4.3CVE-2009-2324Fckeditor cross-site scripting vulnerabilityMultiple cross-site scripting (XSS) vulnerabilities in FCKeditor before 2.6.4.1 allow remote attackers to inject arbitrary web script or HTML via com…EPSS 1.7%4.3CVE-2006-6978Fckeditor cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the "Basic Toolbar Selection" in FCKEditor allows remote attackers to execute arbitrary JavaScript via th…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2006-0658), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.