tinyMCE - XSS vulnerability on versions under 4.2.4, in media plugin
Impact area
Security
Severity
High
Affected element
ServiceNow
UI Script
Salesforce
Static Resource
Rule number
SN-JSL-TINYMCE-LESSTHAN-V424 (for ServiceNow)
SF-JSL-TINYMCE-LESSTHAN-V424 (for Salesforce)
Impact
tinyMCE in versions before 1.4.2 allows XSS attacks via the media plugin, by not filtering out some script attributes.
Remediation
Update tinyMCE to the latest version.
Time to fix
30 min
References
This rule is linked to Common Weakness Enumeration CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')..