CVE-2021-42362
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WordPress Popular Posts | WordPress Popular Posts | 0.0 <= 5.3.2 | affected |
Weaknesses
- CWE-434: CWE-434 Unrestricted Upload of File with Dangerous Type
ADP Enrichment
CVE Program Container
Additional References
- https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362
- https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php
- https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009
- http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html
- https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601
References
- https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362
- https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php
- https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009
- http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html
- https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601
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