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WordPress Popular Posts plugin <= 5.3.3 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability
wordpress-popular-posts
Software
WordPress Popular Posts
Vulnerable Versions
<= 5.3.3
Fixed in version
5.3.4
CVE
CVE-2021-36872
References
CVE-2021-36872
Plugin changelog
Credits
Vlad Visse (Patchstack Red Team)
Classification
Cross Site Scripting (XSS)
OWASP Top 10
A7: Cross-Site Scripting (XSS)
Disclosure Date
2021-07-04
CVSS 3.0 score
5.5
Medium
Requires high privilege user authentication like admin.
Plugin does not exist, is not supported or discontinued.
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Details
Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered by Vlad Visse (Patchstack) in WordPress Popular Posts plugin (versions <= 5.3.3).
Solution
Update the WordPress Popular Posts plugin to the latest available version (at least 5.3.4).
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