CVE-2021-42362
WordPress Popular Posts <= 5.3.2 Authenticated Arbitrary File Upload
HIGH 8.8EPSS 79.8%
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
- WordPress Popular Posts
- CVSS v3.1 WORDFENCE
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 6.5 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P - EPSS
- 79.82% chance of exploitation in the next 30 days, 100th percentile
- Published
- 2021-11-17
- Updated
- 2024-09-16
Proof-of-concept exploits (3)
- http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Exe…
- samiba6/CVE-2021-423620★ · 2025-04-14
- simonecris/CVE-2021-42362-PoC0★ · 2021-07-14
Metasploit modules (1)
ExploitDB entries (1)
Security advisories
- https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-pl…
- https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Im…
- https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362