CVE-2025-67990: GMap Targeting Plugin XSS Vulnerability

CVE-2025-67990 Overview

CVE-2025-67990 is a Reflected Cross-Site Scripting (XSS) vulnerability affecting the RealMag777 GMap Targeting WordPress plugin. This security flaw stems from improper neutralization of user-supplied input during web page generation, allowing attackers to inject malicious scripts that execute in the context of a victim's browser session.

The vulnerability enables attackers to craft malicious URLs containing JavaScript payloads. When unsuspecting users click these links, the malicious scripts execute within their browser, potentially leading 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 websites, deface web content, or perform actions on behalf of authenticated WordPress administrators.

Affected Products

• RealMag777 GMap Targeting WordPress Plugin versions up to and including 1.1.7
• WordPress installations with the gmap-targeting plugin enabled
• Any website utilizing the vulnerable plugin for Google Maps targeting functionality

Discovery Timeline

• 2026-02-20 - CVE CVE-2025-67990 published to NVD
• 2026-02-23 - Last updated in NVD database

Technical Details for CVE-2025-67990

Vulnerability Analysis

This vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation). The GMap Targeting plugin fails to properly sanitize or encode user-controlled input before reflecting it back in HTTP responses. This allows attackers to inject arbitrary JavaScript code that executes in the victim's browser context.

Reflected XSS attacks require user interaction—typically clicking a maliciously crafted link. The attack vector is network-based with low complexity, requiring no authentication or privileges on the target system. However, user interaction is required to trigger the vulnerability, as the victim must visit the attacker-controlled URL.

The scope of this vulnerability is changed, meaning successful exploitation can impact resources beyond the vulnerable component. This typically manifests as the ability to access cookies, session tokens, or other sensitive information retained by the browser for the affected WordPress site.

Root Cause

The root cause of CVE-2025-67990 lies in inadequate input validation and output encoding within the GMap Targeting plugin. The plugin accepts user-supplied parameters and reflects them in the generated HTML response without proper sanitization, escaping, or Content Security Policy protections.

WordPress plugins that handle user input must implement proper output encoding using functions like esc_html(), esc_attr(), or wp_kses() to prevent script injection. The absence of these security controls in the vulnerable versions allows malicious payloads to be interpreted as executable code by the browser.

Attack Vector

The attack leverages the network-based vector, requiring an attacker to craft a malicious URL containing JavaScript payload within a vulnerable parameter. The attacker then distributes this URL through phishing emails, social media, or other channels. When a victim with an active session on the target WordPress site clicks the link, the malicious script executes with the victim's privileges.

The vulnerability affects the confidentiality, integrity, and availability of the victim's session data. Attackers can potentially steal authentication cookies, modify page content, or perform administrative actions if the victim has elevated privileges.

Detection Methods for CVE-2025-67990

Indicators of Compromise

• Unusual URL parameters containing encoded JavaScript or HTML tags in GMap Targeting plugin requests
• Server logs showing requests with suspicious query strings containing <script>, javascript:, or event handlers like onerror, onload
• User reports of unexpected browser behavior or redirects when accessing the WordPress site
• Browser console errors indicating blocked inline script execution (if CSP is partially implemented)

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 encoded script tags or JavaScript event handlers
• Deploy browser-based security tools that detect and report XSS attempts
• Utilize WordPress security plugins that scan for known vulnerable plugin versions

Monitoring Recommendations

• Enable comprehensive logging for all HTTP requests to the WordPress installation
• Configure alerts for URL parameters exceeding normal length or containing special characters associated with XSS attacks
• Review WordPress plugin inventory and flag installations running GMap Targeting version 1.1.7 or earlier
• Implement Content Security Policy headers to detect and report policy violations

How to Mitigate CVE-2025-67990

Immediate Actions Required

• Update the GMap Targeting plugin to a patched version if one is available from the vendor
• If no patch is available, consider temporarily deactivating and removing the plugin until a fix is released
• Implement Web Application Firewall rules to filter known XSS attack patterns
• Review and strengthen Content Security Policy headers to mitigate the impact of potential XSS exploitation

Patch Information

WordPress site administrators should check for available updates through the WordPress plugin repository or the vendor's official channels. The vulnerability affects GMap Targeting versions through 1.1.7. For detailed vulnerability information, refer to the Patchstack XSS Vulnerability Report.

Monitor the official WordPress plugin directory for security updates and subscribe to security advisories from RealMag777 for notification of patches.

Workarounds

• Deactivate the GMap Targeting plugin until a security patch is released by the vendor
• Implement strict Content Security Policy headers to prevent inline script execution: Content-Security-Policy: default-src 'self'; script-src 'self'
• Deploy a WAF with XSS protection rules to filter malicious requests before they reach the application
• Restrict access to the WordPress admin area by IP address or VPN to limit the attack surface for administrative session hijacking