CVE-2021-42362

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 v3.0 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362	Third Party Advisory
https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009	Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php	Patch Third Party Advisory
https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/	Exploit Third Party Advisory
http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html	Exploit Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

cpe:2.3:a:wordpress_popular_posts_project:wordpress_popular_posts:*:*:*:*:*:wordpress:*:*

Information

Published : 2021-11-17 10:15

Updated : 2021-12-21 12:23

NVD link : CVE-2021-42362

Mitre link : CVE-2021-42362

JSON object : View

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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Products Affected

wordpress_popular_posts_project

wordpress_popular_posts

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