An issue was discovered in Joomla! before 3.9.21. Lack of input validation in the vote feature of com_content leads to an open redirect.
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
Link | Tags |
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https://developer.joomla.org/security-centre/825-20200802-core-open-redirect-in-com-content-vote-feature | vendor advisory |