CVE-2025-22586 in WPEX Replace DB Urls Plugin
Summary
by MITRE • 01/13/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Detlef Stöver WPEX Replace DB Urls allows Reflected XSS.This issue affects WPEX Replace DB Urls: from n/a through 0.4.0.
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Analysis
by VulDB Data Team • 02/13/2025
The vulnerability CVE-2025-22586 represents a critical cross-site scripting flaw in the WPEX Replace DB Urls plugin for WordPress, specifically impacting versions ranging from the initial release through 0.4.0. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws. The issue manifests as a reflected XSS vulnerability, meaning that malicious input is immediately reflected back to users without proper sanitization or encoding, creating a direct pathway for attackers to execute malicious scripts in the context of the victim's browser. The vulnerability occurs during the web page generation process when user-supplied input is not properly neutralized before being rendered in the web interface.
The technical exploitation of this vulnerability requires an attacker to craft malicious input that gets processed by the plugin and subsequently reflected back to users without appropriate output encoding or sanitization measures. This typically involves embedding malicious script code within parameters that are then passed through to the web page generation engine. The reflected nature of this XSS means that the attack payload must be delivered to the victim through a crafted URL or form submission that triggers the vulnerable code path. Attackers can leverage this weakness to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious websites. The vulnerability's impact is particularly concerning given that WordPress plugins often have elevated privileges and access to sensitive user data, making this a prime target for exploitation.
The operational impact of CVE-2025-22586 extends beyond simple script execution, as it can enable sophisticated attack vectors including session hijacking, data theft, and privilege escalation within the affected WordPress environment. When exploited successfully, this vulnerability allows attackers to inject malicious JavaScript code that can manipulate the browser's behavior, steal authentication tokens, or redirect users to phishing sites. The reflected nature of the vulnerability means that attacks can be delivered through social engineering campaigns, where users are tricked into clicking malicious links. Security professionals should note that this vulnerability aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments or links, and T1059.007 for command and scripting interpreter through JavaScript execution. The vulnerability's presence in the WPEX Replace DB Urls plugin indicates a lack of proper input validation and output encoding practices during web page generation, which are fundamental security controls that should be implemented at every layer of web application development.
Organizations affected by this vulnerability should immediately implement mitigations including updating to the latest version of the plugin where the XSS flaw has been addressed, implementing proper input validation and output encoding measures, and deploying web application firewalls to detect and block malicious payloads. The recommended remediation approach includes applying the vendor's patch as soon as it becomes available, which should include proper sanitization of user inputs and implementation of Content Security Policy headers to prevent script execution. Security teams should also conduct comprehensive vulnerability assessments to identify any other potential XSS vulnerabilities within their WordPress installations and ensure that all plugins and themes follow secure coding practices. Additionally, implementing proper security monitoring and logging for suspicious user inputs and unusual access patterns can help detect exploitation attempts. The vulnerability demonstrates the critical importance of input sanitization and output encoding in web application security, as outlined in OWASP's top ten security risks and the corresponding security controls recommended in the OWASP Top 10 Project guidelines.