Vulnerability Report

CVE-2012-4000

Title: Ckeditor Fckeditor Cross-Site Scripting (XSS)

XSS

Proof Of Concept

PoC Available for CVE-2012-4000

CWE Category CWE-79

Published Date Jul 12, 2012

Modified Date Jun 16, 2026

Exploit Status Available

Score 4.3 CVSS v2.0

Exploit Probability (EPSS)

4.25%

Vulnerability Summary

CVE-2012-4000: Cross-site scripting (XSS) vulnerability in the print_textinputs_var function in editor/dialog/fck_spellerpages/spellerpages/server-scripts/spellchecker.php in FCKeditor 2.6.7 and earlier allows remote attackers to inject arbitrary web script or HTML via textinputs array parameters.

Impacted Vendors

fckeditor 1

frederico_caldeira_knabben 1

ckeditor 1

Reference Links

http://disse.cting.org/blog/2012/06/22/fckeditor-reflected-xss-vulnerability/ http://secunia.com/advisories/49606 http://www.debian.org/security/2012/dsa-2522 http://www.securityfocus.com/bid/54188 https://exchange.xforce.ibmcloud.com/vulnerabilities/76604 http://disse.cting.org/blog/2012/06/22/fckeditor-reflected-xss-vulnerability/ http://secunia.com/advisories/49606 http://www.debian.org/security/2012/dsa-2522 http://www.securityfocus.com/bid/54188 https://exchange.xforce.ibmcloud.com/vulnerabilities/76604

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-4000 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/37457

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

July 12, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.