High severity8.8NVD Advisory· Published Nov 17, 2021· Updated Jun 17, 2026
CVE-2021-42362
CVE-2021-42362
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=5.3.2
- WordPress Popular Posts/WordPress Popular Postsv5Range: 0.0
Patches
Vulnerability mechanics
References
6- plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.phpnvdPatchThird Party Advisory
- packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.htmlnvdExploitThird Party AdvisoryVDB Entry
- blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/nvdExploitThird Party Advisory
- wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009nvdThird Party Advisory
- www.wordfence.com/vulnerability-advisories/nvdThird Party Advisory
- github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601nvd
News mentions
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