An issue was discovered in Joomla! before 3.9.21. Lack of escaping in mod_latestactions allows XSS attacks.
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://developer.joomla.org/security-centre/824-20200801-core-xss-in-mod-latestactions | vendor advisory |