Description

WordPress Plugin Comments-wpDiscuz 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 Comments-wpDiscuz versions between and including 7.0.0 - 7.0.4 are vulnerable.

Remediation

Update to plugin version 7.0.5 or latest

References

https://www.wordfence.com/blog/2020/07/critical-arbitrary-file-upload-vulnerability-patched-in-wpdiscuz-plugin/

https://www.exploit-db.com/exploits/49401

https://packetstormsecurity.com/files/160864/WordPress-wpDiscuz-7.0.4-Shell-Upload.html

https://plugins.svn.wordpress.org/wpdiscuz/trunk/readme.txt

Related Vulnerabilities

WordPress Plugin Car Demon Multiple Cross-Site Scripting Vulnerabilities (1.0.1)

WordPress 3.9.x Possible SQL Injection Vulnerability (3.9 - 3.9.20)

WordPress Plugin SAML SP Single Sign On-SSO login Cross-Site Scripting (4.8.83)

Contao Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2017-10993)

WordPress Plugin NextGEN Gallery-WordPress Gallery Cross-Site Scripting (2.2.10)

Severity

High

Classification

CVE-2020-24186 CWE-434 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update Unauthenticated File Upload