CVE-2025-23466: Site Editor Google Map XSS Vulnerability

CVE-2025-23466 Overview

CVE-2025-23466 is a reflected cross-site scripting (XSS) vulnerability in the Site Editor Google Map WordPress plugin developed by wpsiteeditor. The flaw affects all plugin versions up to and including 1.0.1 and stems from improper neutralization of user-supplied input during web page generation [CWE-79]. Attackers can craft a malicious URL that, when followed by an authenticated or unauthenticated user, executes arbitrary JavaScript in the victim's browser session. The vulnerability requires user interaction and operates over the network without authentication.

Critical Impact
Successful exploitation allows attackers to execute arbitrary JavaScript in the victim's browser, potentially leading to session hijacking, credential theft, or redirection to malicious sites.

Affected Products

wpsiteeditor Site Editor Google Map plugin for WordPress
All versions from initial release through 1.0.1
WordPress sites with the site-editor-google-map plugin installed and active

Discovery Timeline

2025-03-26 - CVE-2025-23466 published to NVD
2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-23466

Vulnerability Analysis

The Site Editor Google Map plugin fails to sanitize user-controlled input before reflecting it back into rendered HTML output. When the plugin processes request parameters, it embeds the untrusted values directly into the response without applying proper output encoding or input validation. This behavior matches the classic reflected XSS pattern categorized under [CWE-79].

An attacker constructs a URL containing JavaScript payload within a vulnerable parameter and delivers it through phishing, social engineering, or malicious links on attacker-controlled sites. When the target clicks the link, the payload executes within the security context of the WordPress site. Because the scope is changed (S:C), the impact extends beyond the vulnerable component to other browser-accessible resources.

The EPSS data indicates a low current likelihood of widespread exploitation, but reflected XSS in publicly-facing WordPress plugins remains a common attack vector for credential theft and administrative account compromise.

Root Cause

The root cause is missing or insufficient output encoding when the plugin reflects request parameters into HTML responses. WordPress provides sanitization functions such as esc_html(), esc_attr(), and wp_kses(), but the affected plugin code paths do not apply these functions to user-controlled values before rendering.

Attack Vector

Exploitation requires the attacker to deliver a crafted URL to a victim and convince the victim to interact with it. The attack does not require authentication on the target WordPress site. Once executed, the injected script runs with the victim's browser privileges against the vulnerable WordPress domain, enabling actions such as cookie theft, form hijacking, or unauthorized administrative requests if the victim holds elevated privileges.

The vulnerability manifests when the plugin reflects unvalidated query string or form parameters into the HTML response. Refer to the Patchstack Vulnerability Report for technical specifics on the vulnerable parameter and payload structure.

Detection Methods for CVE-2025-23466

Indicators of Compromise

Web server access logs containing URL parameters with <script>, javascript:, onerror=, or onload= patterns targeting plugin endpoints
Unusual outbound requests from administrator browser sessions following clicks on external links referencing the WordPress site
New or modified WordPress administrator accounts without corresponding audit trail entries
Unexpected session cookie exfiltration attempts to attacker-controlled domains

Detection Strategies

Inspect HTTP request logs for encoded JavaScript payloads in query parameters destined for site-editor-google-map plugin paths
Deploy Web Application Firewall (WAF) rules that flag reflected XSS signatures against WordPress endpoints
Correlate referrer headers with administrator authentication events to identify potential phishing-driven exploitation

Monitoring Recommendations

Monitor WordPress wp-admin activity for session anomalies and privilege changes following external link clicks
Enable verbose logging on the reverse proxy or WAF for all requests containing the plugin's path components
Track outbound requests from authenticated admin sessions to detect script-initiated data exfiltration

How to Mitigate CVE-2025-23466

Immediate Actions Required

Deactivate and remove the Site Editor Google Map plugin from all WordPress installations until a patched version is confirmed available
Audit WordPress administrator accounts for unauthorized additions or privilege modifications
Force password resets and session invalidation for all privileged WordPress users
Apply Content Security Policy (CSP) headers to restrict inline script execution site-wide

Patch Information

No fixed version is identified in the available advisory data. The vulnerability affects all releases through 1.0.1. Administrators should consult the Patchstack Vulnerability Report for the latest remediation guidance and replace the plugin with a maintained alternative if no patch is released.

Workarounds

Remove the vulnerable plugin and replace its functionality with a maintained Google Maps integration
Deploy WAF rules to block requests containing script tags or JavaScript event handlers in parameters routed to the plugin
Implement strict Content Security Policy headers that disallow inline scripts and restrict script sources to trusted origins
Train administrative users to avoid clicking unverified links referencing the WordPress site

bash

# Example WAF rule pattern to block reflected XSS payloads targeting the plugin
# ModSecurity rule (illustrative)
SecRule REQUEST_URI "@contains site-editor-google-map" \
    "chain,deny,status:403,id:1002025234660,msg:'Block XSS attempt on Site Editor Google Map plugin'"
    SecRule ARGS "@rx (?i)(<script|javascript:|onerror=|onload=)" \
        "t:none,t:urlDecodeUni"