Description

WordPress Plugin Contextual Related Posts is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin Contextual Related Posts version 2.9.3 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 2.9.4 or latest

References

https://lenonleite.com.br/en/2020/09/19/explorando-vulnerabilidade-em-operadores-logicos-isset-algumacoisa/

https://security.devsoftin.com/blog/2020/11/19/contextual-related-posts-2-9-4-csrf-nonce-validation-bypass/

https://plugins.svn.wordpress.org/contextual-related-posts/trunk/readme.txt

Related Vulnerabilities

Liferay Portal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2022-42116)

Phusion Passenger Incorrect Permission Assignment for Critical Resource Vulnerability (CVE-2018-12028)

Serendipity Other Vulnerability (CVE-2015-6968)

WordPress Plugin Lockdown WP Admin Unspecified Vulnerability (1.1.2)

PHP CVE-2011-1469 Vulnerability (CVE-2011-1469)

Severity

High

Classification

CWE-352 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update CSRF