CVE-2024-53781 Overview
CVE-2024-53781 is a Cross-Site Request Forgery (CSRF) vulnerability in the homejunction SpatialMatch IDX WordPress plugin (spatialmatch-free-lifestyle-search). The flaw affects all versions up to and including 3.0.9. An attacker can chain the CSRF weakness to inject persistent JavaScript, resulting in Stored Cross-Site Scripting (XSS) within the WordPress administrative context.
The vulnerability is tracked under CWE-352: Cross-Site Request Forgery and was published to the National Vulnerability Database on December 2, 2024.
Critical Impact
An unauthenticated attacker can trick an authenticated administrator into submitting a forged request that stores malicious JavaScript, executing in the browser of any user viewing the affected page.
Affected Products
- homejunction SpatialMatch IDX WordPress plugin versions through 3.0.9
- WordPress installations running the spatialmatch-free-lifestyle-search plugin
- Real-estate sites integrating SpatialMatch IDX lifestyle search functionality
Discovery Timeline
- 2024-12-02 - CVE-2024-53781 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2024-53781
Vulnerability Analysis
The SpatialMatch IDX plugin exposes one or more state-changing endpoints that lack proper anti-CSRF protections. The plugin does not validate WordPress nonces or verify the origin of incoming requests before persisting user-supplied input. Because the persisted input is not sanitized or output-encoded, an attacker can store JavaScript that executes when an administrator or visitor later loads the affected page.
The exploitation flow requires user interaction. An attacker hosts a crafted page or link, and an authenticated WordPress administrator visits it while logged in. The victim's browser issues the forged state-changing request using the administrator's session cookies, storing the attacker-controlled payload in the database.
Successful exploitation enables session theft, administrative account hijacking, redirection to malicious infrastructure, or deployment of additional WordPress payloads such as backdoored plugins.
Root Cause
The root cause is the absence of CSRF tokens (WordPress wp_nonce) on state-changing handlers combined with missing output escaping on stored fields. Both conditions are required for the CSRF-to-Stored-XSS chain to succeed.
Attack Vector
The attack vector is network-based and requires the victim to interact with attacker-supplied content. No prior authentication of the attacker is required, but a privileged WordPress user must trigger the forged request. Further technical detail is published in the Patchstack Vulnerability Report.
Detection Methods for CVE-2024-53781
Indicators of Compromise
- Unexpected <script>, onerror, or onload attributes stored in SpatialMatch IDX plugin options or post metadata
- WordPress administrator sessions making outbound requests to unfamiliar domains after browsing third-party sites
- New or modified administrator accounts created without an authorized change record
- Plugin configuration changes with no corresponding entry in WordPress activity logs
Detection Strategies
- Inspect WordPress wp_options and plugin-specific database tables for HTML or JavaScript content in fields expected to contain plain text
- Review HTTP access logs for POST requests to SpatialMatch IDX endpoints that lack a valid Referer header from the site's own domain
- Correlate browser-side script execution alerts on administrator workstations with recent visits to external sites
Monitoring Recommendations
- Enable WordPress activity logging to capture plugin setting changes and user creation events
- Monitor administrator endpoints for browser-based script execution and credential exfiltration patterns
- Alert on outbound traffic from administrator workstations to newly registered or low-reputation domains
How to Mitigate CVE-2024-53781
Immediate Actions Required
- Update the SpatialMatch IDX plugin to a version later than 3.0.9 once the vendor publishes a fixed release
- Audit all SpatialMatch IDX plugin settings and stored content for injected JavaScript and remove malicious entries
- Force a password reset and session invalidation for all WordPress administrator accounts
- Review installed plugins, themes, and user accounts for unauthorized additions
Patch Information
No fixed version is referenced in the NVD entry beyond the affected range of versions through 3.0.9. Administrators should monitor the Patchstack advisory and the plugin's WordPress.org listing for an official patched release.
Workarounds
- Deactivate and remove the SpatialMatch IDX plugin until a patched version is available
- Deploy a Web Application Firewall (WAF) rule to block requests to plugin endpoints that lack a valid WordPress nonce or same-origin Referer
- Restrict administrative access using IP allow-listing or VPN-only access to /wp-admin
- Enforce a strict Content Security Policy (CSP) that disallows inline scripts on WordPress admin and front-end pages
# Example: deactivate the vulnerable plugin via WP-CLI
wp plugin deactivate spatialmatch-free-lifestyle-search
wp plugin delete spatialmatch-free-lifestyle-search
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
