CVE-2021-42362

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• WordPress Plugin Popular Posts 5.3.2 - Remote Code Execution (RCE) (Authenticated)2021-07-15 · webapps · php

Impact

The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html
• https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/
• https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601
• https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php
• https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362
• http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html
• https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/
• https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601
• https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php
• https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362