Unsanitized getTip() Method of Action Columns in Sencha Ext JS 4 to 6 before 6.6.0 Allows XSS Attacks

CVE-2018-8046 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

The getTip() method of Action Columns of Sencha Ext JS 4 to 6 before 6.6.0 is vulnerable to XSS attacks, even when passed HTML-escaped data. This framework brings no built-in XSS protection, so the developer has to ensure that data is correctly sanitized. However, the getTip() method of Action Columns takes HTML-escaped data and un-escapes it. If the tooltip contains user-controlled data, an attacker could exploit this to create a cross-site scripting attack, even when developers took precautions and escaped data.

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