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CVE-2021-42362

Published: Nov 17, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

8.8

HIGH

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.

Vendor	Product	Versions
WordPress Popular Posts	WordPress Popular Posts	affected `0.0 - <= 5.3.2`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/

x_refsource_MISC

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362

x_refsource_MISC

https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php

x_refsource_MISC

https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009

x_refsource_MISC

http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html

x_refsource_MISC

https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601

patch

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