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CVE-2021-42362

WordPress Popular Posts <= 5.3.2 Authenticated Arbitrary File Upload

CVSS 8.8 HIGHEPSS 79.8%CWE-434
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
WordPress Popular Posts · WordPress Popular Posts
public PoCs found — 4
githubgithub.com/simonecris/CVE-2021-42362-PoC★ 0githubgithub.com/samiba6/CVE-2021-42362★ 0cve_referencepacketstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.htmlunverifiedexploitdbwww.exploit-db.com/exploits/50129unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.htmlhttps://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.phphttps://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362