CVE-2025-22294: WP Job Manager Custom Field XSS Flaw

CVE-2025-22294 Overview

CVE-2025-22294 is a Reflected Cross-Site Scripting (XSS) vulnerability affecting the Custom Field For WP Job Manager WordPress plugin developed by theme funda. The vulnerability stems from improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that execute in the context of a victim's browser session.

This reflected XSS vulnerability enables attackers to craft malicious URLs that, when clicked by authenticated users, can execute arbitrary JavaScript code. This could lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

Critical Impact

Attackers can exploit this reflected XSS vulnerability to steal user session cookies, redirect users to malicious sites, or perform actions as the authenticated victim within the WordPress admin context.

Affected Products

• Custom Field For WP Job Manager plugin version 1.3 and earlier
• WordPress installations using the vulnerable custom-field-for-wp-job-manager plugin
• Sites utilizing WP Job Manager with custom field extensions

Discovery Timeline

• 2025-01-07 - CVE-2025-22294 published to NVD
• 2026-04-15 - Last updated in NVD database

Technical Details for CVE-2025-22294

Vulnerability Analysis

This vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation), commonly known as Cross-Site Scripting. The Custom Field For WP Job Manager plugin fails to properly sanitize user-supplied input before reflecting it back in web page output.

In reflected XSS attacks, the malicious payload is delivered through URL parameters or form inputs and immediately reflected in the server's response. The plugin does not adequately validate or encode user input, allowing JavaScript code to be embedded in page output and executed when a victim visits a crafted URL.

The vulnerability affects all versions of the plugin from initial release through version 1.3, indicating that input sanitization was not implemented in the plugin's core functionality handling user-controllable data.

Root Cause

The root cause of CVE-2025-22294 is insufficient input validation and output encoding within the Custom Field For WP Job Manager plugin. When processing custom field data or URL parameters, the plugin directly includes user-controlled input in HTML output without proper escaping using WordPress security functions such as esc_html(), esc_attr(), or wp_kses().

Attack Vector

An attacker can exploit this vulnerability by crafting a malicious URL containing JavaScript code as a parameter value. When a victim clicks on this link, the plugin reflects the malicious input in the page response, causing the browser to execute the injected script.

The attack typically requires social engineering to convince a victim to click the malicious link. Once clicked, the attacker's JavaScript executes with the victim's session privileges, potentially allowing cookie theft, keylogging, or unauthorized administrative actions on the WordPress site.

For detailed technical information about this vulnerability, refer to the Patchstack Vulnerability Report.

Detection Methods for CVE-2025-22294

Indicators of Compromise

• Unusual URL parameters containing encoded JavaScript or HTML tags in requests to WP Job Manager pages
• Suspicious referrer headers showing external sites linking to WordPress admin or plugin pages
• JavaScript execution errors or unusual DOM modifications in browser developer console logs
• Unexpected cookie access or cross-origin requests originating from the WordPress domain

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common XSS payloads in URL parameters
• Monitor server access logs for requests containing suspicious characters like <script>, javascript:, or URL-encoded equivalents
• Deploy Content Security Policy (CSP) headers to restrict inline script execution and report violations
• Use WordPress security plugins that scan for reflected XSS patterns in plugin behavior

Monitoring Recommendations

• Enable detailed logging for the WP Job Manager plugin and associated custom field extensions
• Configure real-time alerting for blocked XSS attempts through your WAF solution
• Monitor for unusual patterns in user session behavior that may indicate successful XSS exploitation
• Regularly review CSP violation reports for potential exploitation attempts

How to Mitigate CVE-2025-22294

Immediate Actions Required

• Update the Custom Field For WP Job Manager plugin to a patched version when available from the developer
• Temporarily disable the custom-field-for-wp-job-manager plugin if an update is not available
• Implement WAF rules to filter malicious input targeting the vulnerable plugin endpoints
• Review server logs for evidence of exploitation attempts

Patch Information

Users should check the WordPress plugin repository for an updated version of Custom Field For WP Job Manager that addresses this XSS vulnerability. Until a patch is available, consider disabling the plugin or implementing compensating controls. For the latest vulnerability status and patch information, consult the Patchstack Vulnerability Report.

Workarounds

• Deploy Content Security Policy headers that block inline script execution using the configuration example below
• Use a Web Application Firewall to filter requests containing potential XSS payloads
• Restrict access to WP Job Manager administrative functions to trusted IP addresses only
• Consider using an alternative WordPress job manager plugin until a security patch is released

# Apache configuration for Content Security Policy
# Add to .htaccess or virtual host configuration
<IfModule mod_headers.c>
    Header set Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; object-src 'none'; frame-ancestors 'self';"
    Header set X-Content-Type-Options "nosniff"
    Header set X-XSS-Protection "1; mode=block"
</IfModule>