CVE-2021-24253

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

The Classyfrieds WordPress plugin through 3.8 does not properly check the uploaded file when an authenticated user adds a listing, only checking the content-type in the request. This allows any authenticated user to upload arbitrary PHP files via the Add Listing feature of the plugin, leading to RCE.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

VendorProductVersions
UnknownClassyfrieds>= 3.8, <= 3.8

References

Timeline

Published
May 6, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-24253: High severity, CVSS 8.8 | Vulnix