CVE-2021-42362

WordPress Popular Posts <= 5.3.2 - Authenticated Arbitrary File Upload

highUnrestricted Upload of File with Dangerous Type

8.8

CVSS Score

8.8

CVSS Score

high

Severity

5.3.3

Patched in

802d

Time to patch

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.

CVSS Vector Breakdown

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

High

Confidentiality

High

Integrity

High

Availability

Technical Details

Affected versions<=5.3.2

PublishedNovember 12, 2021

Last updatedJanuary 22, 2024

Affected pluginwordpress-popular-posts

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/cb37b784-b1ff-4cee-889d-751218e5b95d?source=api-prod

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