CVE-2012-4000

Exp

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.

Published: 2012-07-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4000 is rated High Exploit Risk (61.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.14%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-4000

EDB-ID Source Kind Published Link
37457 exploit_db edb 2012-06-25 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-4000

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-03 2.76% 2.14% -0.61%
2 2026-03-13 4.20% 2.76% -1.44%
3 2026-03-04 — 4.20% —

Full EPSS history (32 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4000

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-4000

OS Trackers for CVE-2012-4000

vendor priority summary link
ubuntu medium CVE-2012-4000 medium priority: Ubuntu including 1 source packages (fckeditor), 9 status rows across 9 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, upstream): released 4, not-affected 3, ignored 2. https://ubuntu.com/security/CVE-2012-4000

Affected software / configurations for CVE-2012-4000

Vendor Product Version Raw CPE
ckeditor fckeditor <= 2.6.7 cpe:2.3:a:ckeditor:fckeditor:*:*:*:*:*:*:*:*
ckeditor fckeditor 0.8 cpe:2.3:a:ckeditor:fckeditor:0.8:beta:*:*:*:*:*:*
ckeditor fckeditor 0.8.5 cpe:2.3:a:ckeditor:fckeditor:0.8.5:beta:*:*:*:*:*:*
ckeditor fckeditor 0.9.0 cpe:2.3:a:ckeditor:fckeditor:0.9.0:beta:*:*:*:*:*:*
ckeditor fckeditor 0.9.1 cpe:2.3:a:ckeditor:fckeditor:0.9.1:beta:*:*:*:*:*:*
ckeditor fckeditor 0.9.2 cpe:2.3:a:ckeditor:fckeditor:0.9.2:beta:*:*:*:*:*:*
ckeditor fckeditor 0.9.3 cpe:2.3:a:ckeditor:fckeditor:0.9.3:beta:*:*:*:*:*:*
ckeditor fckeditor 0.9.4 cpe:2.3:a:ckeditor:fckeditor:0.9.4:beta:*:*:*:*:*:*
ckeditor fckeditor 0.9.5 cpe:2.3:a:ckeditor:fckeditor:0.9.5:beta:*:*:*:*:*:*
ckeditor fckeditor 1.0 cpe:2.3:a:ckeditor:fckeditor:1.0:*:*:*:*:*:*:*
ckeditor fckeditor 1.0 cpe:2.3:a:ckeditor:fckeditor:1.0:fc:*:*:*:*:*:*
ckeditor fckeditor 1.0 cpe:2.3:a:ckeditor:fckeditor:1.0:rc1:*:*:*:*:*:*
ckeditor fckeditor 1.1 cpe:2.3:a:ckeditor:fckeditor:1.1:*:*:*:*:*:*:*
ckeditor fckeditor 1.2 cpe:2.3:a:ckeditor:fckeditor:1.2:*:*:*:*:*:*:*
ckeditor fckeditor 1.2.2 cpe:2.3:a:ckeditor:fckeditor:1.2.2:*:*:*:*:*:*:*
ckeditor fckeditor 1.2.4 cpe:2.3:a:ckeditor:fckeditor:1.2.4:*:*:*:*:*:*:*
ckeditor fckeditor 1.3 cpe:2.3:a:ckeditor:fckeditor:1.3:*:*:*:*:*:*:*
ckeditor fckeditor 1.3.1 cpe:2.3:a:ckeditor:fckeditor:1.3.1:*:*:*:*:*:*:*
ckeditor fckeditor 1.4 cpe:2.3:a:ckeditor:fckeditor:1.4:*:*:*:*:*:*:*
ckeditor fckeditor 1.5 cpe:2.3:a:ckeditor:fckeditor:1.5:*:*:*:*:*:*:*
ckeditor fckeditor 1.6 cpe:2.3:a:ckeditor:fckeditor:1.6:*:*:*:*:*:*:*
ckeditor fckeditor 2.0 cpe:2.3:a:ckeditor:fckeditor:2.0:*:*:*:*:*:*:*
ckeditor fckeditor 2.0 cpe:2.3:a:ckeditor:fckeditor:2.0:beta1:*:*:*:*:*:*
ckeditor fckeditor 2.0 cpe:2.3:a:ckeditor:fckeditor:2.0:beta2:*:*:*:*:*:*
ckeditor fckeditor 2.0 cpe:2.3:a:ckeditor:fckeditor:2.0:fc:*:*:*:*:*:*
ckeditor fckeditor 2.0 cpe:2.3:a:ckeditor:fckeditor:2.0:rc1:*:*:*:*:*:*
ckeditor fckeditor 2.0 cpe:2.3:a:ckeditor:fckeditor:2.0:rc2:*:*:*:*:*:*
ckeditor fckeditor 2.0 cpe:2.3:a:ckeditor:fckeditor:2.0:rc3:*:*:*:*:*:*
ckeditor fckeditor 2.1 cpe:2.3:a:ckeditor:fckeditor:2.1:*:*:*:*:*:*:*
ckeditor fckeditor 2.1.1 cpe:2.3:a:ckeditor:fckeditor:2.1.1:*:*:*:*:*:*:*
ckeditor fckeditor 2.2 cpe:2.3:a:ckeditor:fckeditor:2.2:*:*:*:*:*:*:*
ckeditor fckeditor 2.3 cpe:2.3:a:ckeditor:fckeditor:2.3:*:*:*:*:*:*:*
ckeditor fckeditor 2.3 cpe:2.3:a:ckeditor:fckeditor:2.3:beta:*:*:*:*:*:*
ckeditor fckeditor 2.3.1 cpe:2.3:a:ckeditor:fckeditor:2.3.1:*:*:*:*:*:*:*
ckeditor fckeditor 2.3.2 cpe:2.3:a:ckeditor:fckeditor:2.3.2:*:*:*:*:*:*:*
ckeditor fckeditor 2.3.3 cpe:2.3:a:ckeditor:fckeditor:2.3.3:*:*:*:*:*:*:*
ckeditor fckeditor 2.4 cpe:2.3:a:ckeditor:fckeditor:2.4:*:*:*:*:*:*:*
ckeditor fckeditor 2.4.1 cpe:2.3:a:ckeditor:fckeditor:2.4.1:*:*:*:*:*:*:*
ckeditor fckeditor 2.4.2 cpe:2.3:a:ckeditor:fckeditor:2.4.2:*:*:*:*:*:*:*
ckeditor fckeditor 2.4.3 cpe:2.3:a:ckeditor:fckeditor:2.4.3:*:*:*:*:*:*:*
ckeditor fckeditor 2.5 cpe:2.3:a:ckeditor:fckeditor:2.5:*:*:*:*:*:*:*
ckeditor fckeditor 2.5 cpe:2.3:a:ckeditor:fckeditor:2.5:beta:*:*:*:*:*:*
ckeditor fckeditor 2.5.1 cpe:2.3:a:ckeditor:fckeditor:2.5.1:*:*:*:*:*:*:*
ckeditor fckeditor 2.6 cpe:2.3:a:ckeditor:fckeditor:2.6:beta:*:*:*:*:*:*
ckeditor fckeditor 2.6 cpe:2.3:a:ckeditor:fckeditor:2.6:rc:*:*:*:*:*:*
ckeditor fckeditor 2.6.1 cpe:2.3:a:ckeditor:fckeditor:2.6.1:*:*:*:*:*:*:*
ckeditor fckeditor 2.6.2 cpe:2.3:a:ckeditor:fckeditor:2.6.2:*:*:*:*:*:*:*
ckeditor fckeditor 2.6.3 cpe:2.3:a:ckeditor:fckeditor:2.6.3:*:*:*:*:*:*:*
ckeditor fckeditor 2.6.3 cpe:2.3:a:ckeditor:fckeditor:2.6.3:beta:*:*:*:*:*:*
ckeditor fckeditor 2.6.4 cpe:2.3:a:ckeditor:fckeditor:2.6.4:*:*:*:*:*:*:*
ckeditor fckeditor 2.6.4 cpe:2.3:a:ckeditor:fckeditor:2.6.4:beta:*:*:*:*:*:*
ckeditor fckeditor 2.6.4.1 cpe:2.3:a:ckeditor:fckeditor:2.6.4.1:*:*:*:*:*:*:*
ckeditor fckeditor 2.6.5 cpe:2.3:a:ckeditor:fckeditor:2.6.5:*:*:*:*:*:*:*

References for CVE-2012-4000

cvelogic Threat Intelligence