The More From Google WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/morefromgoogle.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 0.0.2.
Solution:
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://www.wordfence.com/vulnerability-advisories/#CVE-2021-38319 | third party advisory |
https://plugins.trac.wordpress.org/browser/more-from-google/trunk/morefromgoogle.php#L397 | third party advisory exploit |