CVE-2025-23768: InFunding WordPress Plugin XSS Vulnerability

CVE-2025-23768 Overview

CVE-2025-23768 is a reflected cross-site scripting (XSS) vulnerability in the inwavethemes InFunding plugin for WordPress. The flaw stems from improper neutralization of user-supplied input during web page generation [CWE-79]. Attackers can craft malicious links that, when clicked by a victim, execute arbitrary JavaScript in the victim's browser session. The vulnerability affects all versions of InFunding up to and including 1.0. Exploitation requires user interaction and operates over the network without authentication.

Critical Impact

Successful exploitation allows attackers to execute arbitrary scripts in victim browsers, leading to session hijacking, credential theft, and unauthorized actions performed in the context of the targeted user.

Affected Products

• inwavethemes InFunding plugin for WordPress
• All versions through 1.0
• WordPress sites running the vulnerable plugin

Discovery Timeline

• 2025-01-22 - CVE-2025-23768 published to NVD
• 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-23768

Vulnerability Analysis

The InFunding plugin fails to sanitize or encode user-supplied input before reflecting it back into HTTP responses. This allows an attacker to inject HTML and JavaScript through request parameters. When a victim loads a crafted URL, the browser parses the injected payload as part of the page document and executes it.

The scope changes during exploitation, meaning injected scripts can affect resources beyond the vulnerable component. Confidentiality, integrity, and availability impacts are limited but real, as attacker scripts run with the victim's browser privileges on the WordPress origin.

Root Cause

The root cause is missing output encoding and input validation in the plugin's request handling logic. User-controlled parameters flow into HTML response contexts without contextual escaping. This pattern matches the classic [CWE-79] weakness where untrusted input is concatenated into web page output.

Attack Vector

The attack vector is network-based and requires user interaction. An attacker crafts a URL targeting the vulnerable plugin endpoint with a JavaScript payload embedded in a reflected parameter. The attacker delivers the URL through phishing email, social media, or a malicious site. When an authenticated WordPress user, including an administrator, clicks the link, the injected script executes in their session context.

The vulnerability is described in prose only as no verified exploit code is available. Refer to the Patchstack WordPress Vulnerability Report for additional technical context.

Detection Methods for CVE-2025-23768

Indicators of Compromise

• HTTP requests to InFunding plugin endpoints containing <script>, javascript:, onerror=, or onload= substrings in query parameters
• Unexpected outbound requests from authenticated WordPress admin sessions to attacker-controlled domains
• New or modified WordPress administrator accounts created shortly after suspicious URL access
• Browser console errors or unexpected redirects originating from InFunding plugin pages

Detection Strategies

• Inspect web server access logs for URL parameters containing encoded or raw HTML tags targeting plugin routes
• Deploy a web application firewall (WAF) rule to flag reflected XSS payload signatures against WordPress plugin paths
• Correlate referrer headers with administrator session activity to identify phishing-driven exploitation

Monitoring Recommendations

• Forward WordPress access logs and WAF events into a centralized SIEM for rule-based alerting on XSS payload patterns
• Monitor for changes to WordPress user roles, options tables, and plugin files that follow suspicious URL access
• Track outbound DNS and HTTP traffic from administrative workstations to detect data exfiltration from compromised sessions

How to Mitigate CVE-2025-23768

Immediate Actions Required

• Deactivate and remove the InFunding plugin from all WordPress sites until a patched version is confirmed available
• Audit WordPress administrator and editor accounts for unexpected changes, sessions, or privilege modifications
• Force a password reset and session invalidation for all privileged users on sites where the plugin was active
• Review the Patchstack advisory for vendor remediation status

Patch Information

No vendor patch is referenced in the available advisory data. The vulnerability affects InFunding versions through 1.0, and no fixed version has been published. Site operators should remove the plugin or apply compensating controls until the vendor releases an updated build.

Workarounds

• Configure a WAF such as ModSecurity with the OWASP Core Rule Set to block reflected XSS payloads targeting /wp-content/plugins/infunding/ paths
• Apply a strict Content Security Policy (CSP) that disallows inline scripts and restricts script sources to trusted origins
• Restrict access to WordPress administrative endpoints using IP allow-lists or VPN-only access
• Train administrators to avoid clicking unsolicited links that reference WordPress site URLs

# Configuration example - Content Security Policy header for WordPress
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'self'"