CVE-2012-4230
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.
View on NVDSeverity
N/A
EPSS
Probability of exploitation (next 30 days): 0.0058 (0.6%)
Percentile: 69.0%
EPSS: 2026-05-06
Affects
tinymce:tinymceTechnical description
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: 4/25/2014, 2:15:30 PM
Last modified: 5/6/2026, 10:30:45 PM
References
- http://osvdb.org/91130
- http://packetstormsecurity.com/files/120750/TinyMCE-3.5.8-Cross-Site-Scripting.html
- http://seclists.org/fulldisclosure/2013/Mar/114
- http://www.madirish.net/554
- http://www.securityfocus.com/bid/58424
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82744
- http://osvdb.org/91130
- http://packetstormsecurity.com/files/120750/TinyMCE-3.5.8-Cross-Site-Scripting.html