CVEvulnerability
CVE-2021-42362
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-11-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-434
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.
Affected configurations
• wordpress popular posts project wordpress popular posts (<= 5.3.2)
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/ Exploit, Third Party Advisory
- https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601 github.com
- https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php Patch, Third Party Advisory
- https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009 Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362 Third Party Advisory
- http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/ Exploit, Third Party Advisory
- https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601 github.com
- https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php Patch, Third Party Advisory
- https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009 Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362 Third Party Advisory