tinyMCE – XSS Vulnerability On Versions Under 5.1.6, In CDATA Elements

Impact Area

Security

 

 

 

Severity

High

 

 

 

Affected Element

ServiceNow

UI Script

Salesforce

Static Resource

Rule number #

SN-JSL-TINYMCE-LESSTHAN-V516 (for ServiceNow)

SF-JSL-TINYMCE-LESSTHAN-V516 (for Salesforce)

Impact #

tinyMCE in versions before 5.1.6 allows XSS attacks through incomplete parsing and sanitization of CDATA elements.

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’).

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