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

Oracle JRE CVE-2018-2588 Vulnerability (CVE-2018-2588)

WordPress Plugin Testimonial WordPress-AP Custom Testimonial Unspecified Vulnerability (1.4.7)

WebLogic Server-Side Request Forgery (SSRF) Vulnerability (CVE-2020-11987)

WordPress Plugin WP Visitor Statistics (Real Time Traffic) Security Bypass (5.4)

Ruby Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Vulnerability (CVE-2017-17405)

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