Executive Summary

CVE-2025-31642 is a medium severity Cross Site Scripting (XSS) vulnerability in the WordPress WPCHURCH plugin up to version 2.7.0. It allows an attacker to inject malicious scripts, such as redirects or advertisements, into a website. These scripts execute when visitors access the site. The vulnerability falls under the OWASP Top 10 category A3: Injection and requires user interaction, like clicking a malicious link or visiting a crafted page, although the initial attack can be started by an unauthenticated user. [1]

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can lead to attackers executing malicious scripts on your website, potentially redirecting visitors, displaying unwanted advertisements, or stealing sensitive information. It can compromise the integrity and trustworthiness of your site, affect user experience, and possibly lead to further attacks. Since the vulnerability allows reflected XSS, attackers can trick users into performing actions or revealing data unintentionally. [1]

Useful 0 Not Useful 0

Detection Guidance

Detection of this vulnerability involves monitoring for attempts to inject malicious scripts via reflected input in the WPCHURCH plugin. While no specific commands are provided, users can look for unusual HTTP requests containing suspicious script payloads or parameters that reflect input back in responses. Using web application firewalls (WAF) with rules targeting this vulnerability or scanning tools that detect reflected XSS in WPCHURCH plugin versions up to 2.7.0 can help identify exploitation attempts. [1]

Useful 0 Not Useful 0

Mitigation Strategies

Immediate mitigation steps include applying the mitigation rule issued by Patchstack to block attacks targeting this vulnerability until an official patch is released. Users should promptly implement this automated mitigation solution provided by Patchstack to protect affected WordPress installations running WPCHURCH plugin versions up to 2.7.0. Additionally, monitoring and restricting user input that could be reflected in web pages can reduce risk. [1]

Useful 0 Not Useful 0