The bbcode plugin in TinyMCE 3.5.8 does not properly enforce the TinyMCE security policy…
Priority LOW 23CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
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.
Why it matters now
EPSS 0.0139 72nd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4230
- 2026-10-03 Alias added: GHSA-qwvc-vq5g-8cxv
References
More Tinymce vulnerabilities
- TI-2011-04153 Static code injection vulnerability in inc/function.base.php in Ajax File and Image… CVSS 2.0HIGH 7.5
Sources
- CVE-2012-4230 · CVE Program
- CVE-2012-4230 · NVD
- FIRST EPSS
- GHSA-qwvc-vq5g-8cxv · GitHub Advisory Database · CC BY 4.0
- CVE-2012-4230 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences