CVE-2012-4230

Exp

The bbcode plugin in TinyMCE 3.5.8 does not properly enforce the TinyMCE security policy for the (1) encoding directive and (2) valid_elements attribute, which allows attackers to conduct cross-site scripting (XSS) attacks via application-specific vectors, as demonstrated using a textarea element.

Published: 2014-04-25 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-4230 is rated Exploit Available (55.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.20%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2012-4230

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-4230

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 2026-06-15 0.58% 1.20% +0.62%
2 2026-03-06 0.76% 0.58% -0.18%
3 2026-01-24 0.76%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4230

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-2012-4230

OS Trackers for CVE-2012-4230

vendor priority summary link
ubuntu medium CVE-2012-4230 medium priority: Ubuntu including 1 source packages (tinymce), 29 status rows across 29 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lucid, lunar, mantic, noble, oracular, plucky, precise, quantal, questing, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 14, DNE 11, needed 4. https://ubuntu.com/security/CVE-2012-4230

Affected software / configurations for CVE-2012-4230

Vendor Product Version Raw CPE
tinymce tinymce 3.5.8 cpe:2.3:a:tinymce:tinymce:3.5.8:*:*:*:*:*:*:*

References for CVE-2012-4230

cvelogic Threat Intelligence