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CVE-2021-42362

nvd nist
Published: Nov 17, 2021Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: security@wordfence.com (Secondary)

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.

Affected (1)

Wordpress Popular Posts Project
1 product
Wordpress Popular Posts
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Wordpress Popular Posts
Up to 5.3.2

Related CWEs

CWE-434
Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

References (12)

Source: security@wordfence.com
ExploitThird Party AdvisoryVDB Entry
Source: security@wordfence.com
ExploitThird Party Advisory
Source: security@wordfence.com
Source: security@wordfence.com
PatchThird Party Advisory
Source: security@wordfence.com
Third Party Advisory
Source: security@wordfence.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.