WordPress Popular Posts <= 5.3.2 - Authenticated Arbitrary File Upload

8.8
Unrestricted Upload of File with Dangerous Type
CVE CVE-2021-42362
CVSS 8.8 (High)
Publicly Published November 12, 2021
Last Updated January 22, 2024
Researcher Jerome Bruandet - NinTechNet

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.

Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.

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Vulnerability Details for WP Popular Posts

Software Type Plugin
Software Slug wordpress-popular-posts (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.3.3, or a newer patched version
Affected Version
  • <= 5.3.2
Patched Version
  • 5.3.3

Recent vulnerabilities in WP Popular Posts

# Title CVE ID CVSS Researchers Date
1 WordPress Popular Posts <= 7.1.0 - Unauthenticated Arbitrary Shortcode Execution CVE-2024-11733 7.3 mikemyers January 3, 2025
2 WordPress Popular Posts <= 6.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2023-45607 6.4 Rafie Muhammad October 6, 2023
3 WordPress Popular Posts <= 6.0.5 - Unauthenticated Views Changes CVE-2022-43468 5.3 Tsubasa Iinuma November 18, 2022
4 WordPress Popular Posts <= 5.5.1 - Reflected Cross-Site Scripting 6.1 June 29, 2022
5 WordPress Popular Posts <= 5.3.3 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2021-36872 5.5 R3N0 July 4, 2021
6 WordPress Popular Posts <= 5.3.2 - Authenticated Cross-Site Scripting CVE-2021-20746 6.4 Yu Iwama June 23, 2021

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