cPanel before 59.9999.145 allows stored XSS in the WHM tail_upcp2.cgi interface (SEC-156).
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://documentation.cpanel.net/display/CL/60+Change+Log | release notes vendor advisory |