Description

WordPress Plugin classyfrieds is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin classyfrieds version 3.8 is vulnerable; prior versions may also be affected.

Remediation

Disable and remove the plugin until a fix is available

References

https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md

Related Vulnerabilities

Jboss EAP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2014-7853)

Internet Information Services Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2002-0419)

WebLogic Improper Authorization Vulnerability (CVE-2026-34315)

Coppermine Cross-site Scripting (XSS) Vulnerability (CVE-2018-14478)

WordPress Plugin Titan Anti-spam & Security Cross-Site Scripting (4.1)

Severity

High

Classification

CVE-2021-24253 CWE-434 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update Unauthenticated File Upload