What’s Vulnerable › Vulnerabilities

CVE-2012-4230

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-04-25 · updated 2026-06-16
• Weakness: CWE-264

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.

Affected products

• Tinymce: 3.5.8

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
• 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

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