CVE-2025-22286: LTL Freight Quotes Plugin XSS Flaw

CVE-2025-22286 Overview

CVE-2025-22286 is a reflected Cross-Site Scripting (XSS) vulnerability in the enituretechnology LTL Freight Quotes – Worldwide Express Edition WordPress plugin. The flaw affects all versions up to and including 5.0.21. The plugin fails to properly neutralize user-supplied input before reflecting it back into rendered HTML, allowing attackers to inject arbitrary JavaScript that executes in the victim's browser session. Exploitation requires user interaction, typically through a crafted link, and can lead to session hijacking, credential theft, or unauthorized actions performed in the context of an authenticated WordPress user, including administrators.

Critical Impact

A successful reflected XSS attack against an authenticated WordPress administrator can lead to site takeover through session theft or forced administrative actions executed in the victim's browser.

Affected Products

• enituretechnology LTL Freight Quotes – Worldwide Express Edition (WordPress plugin)
• All versions from initial release through 5.0.21
• WordPress sites running the ltl-freight-quotes-worldwide-express-edition plugin

Discovery Timeline

• 2025-02-16 - CVE-2025-22286 published to NVD
• 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-22286

Vulnerability Analysis

The vulnerability is classified under [CWE-79], Improper Neutralization of Input During Web Page Generation. The plugin reflects attacker-controlled parameters into HTTP responses without applying proper output encoding or input sanitization. When a victim loads a maliciously crafted URL targeting a vulnerable endpoint, the injected payload renders inline within the page's Document Object Model (DOM) and executes with the privileges of the active WordPress session.

The attack changes the security scope from the attacker's context to the victim's, enabling cross-origin impact. An adversary targeting a logged-in administrator can leverage the script execution to read authentication cookies, exfiltrate nonces, submit forged plugin or user management requests, or pivot to deeper compromise of the WordPress installation.

Root Cause

The root cause is missing or insufficient sanitization of request parameters before they are echoed into HTML output. The plugin does not apply WordPress core escaping functions such as esc_html(), esc_attr(), or wp_kses() on tainted inputs prior to rendering, breaking the trust boundary between request data and rendered markup.

Attack Vector

Exploitation occurs over the network and requires user interaction. The attacker delivers a crafted URL containing the malicious payload, typically through phishing, forum posts, or malicious referrers. When the targeted user clicks the link while authenticated to the affected WordPress site, the reflected payload executes in their browser. No prior privileges on the target system are required from the attacker. Refer to the Patchstack XSS Vulnerability Report for additional technical details.

Detection Methods for CVE-2025-22286

Indicators of Compromise

• Web server access logs containing request parameters with HTML or JavaScript syntax such as <script>, onerror=, javascript:, or URL-encoded equivalents (%3Cscript%3E) targeting plugin endpoints.
• Unexpected outbound requests from administrator browsers to attacker-controlled domains shortly after clicking external links.
• New or modified WordPress administrator accounts, plugin installations, or theme edits without corresponding admin activity records.

Detection Strategies

• Inspect HTTP request and response logs for plugin paths under ltl-freight-quotes-worldwide-express-edition containing reflected query parameters with script-like content.
• Deploy a Web Application Firewall (WAF) rule set tuned to detect OWASP XSS signatures on requests to the affected plugin endpoints.
• Correlate WordPress audit logs with browser-side anomalies to identify session activity originating from compromised admin sessions.

Monitoring Recommendations

• Enable WordPress activity logging plugins to track administrative actions and session origins.
• Monitor for sudden increases in 4xx or 3xx responses on plugin URLs that may indicate exploitation attempts or scanning.
• Alert on outbound DNS or HTTP traffic from web hosts to newly observed domains that could indicate exfiltration via injected scripts.

How to Mitigate CVE-2025-22286

Immediate Actions Required

• Identify all WordPress installations running the LTL Freight Quotes – Worldwide Express Edition plugin and confirm the installed version.
• Update the plugin to a version higher than 5.0.21 once a patched release is available from enituretechnology.
• If no patched version is available, deactivate and remove the plugin until a fix is published.

Patch Information

The vulnerability affects all versions through 5.0.21. Administrators should consult the Patchstack advisory and the vendor's plugin page for the latest fixed release. Patchstack subscribers may also receive virtual patching coverage.

Workarounds

• Apply WAF rules that block requests containing XSS payloads targeting the plugin's parameters.
• Restrict administrative access to the WordPress dashboard via IP allowlisting to reduce the exposure window.
• Train administrators to avoid clicking unsolicited links to the WordPress site, particularly from external sources.
• Enforce a strict Content Security Policy (CSP) that disallows inline script execution to mitigate reflected XSS impact.

# Example WAF / ModSecurity rule snippet to block common reflected XSS payloads
SecRule REQUEST_URI "@contains /wp-content/plugins/ltl-freight-quotes-worldwide-express-edition/" \
    "id:1002286,phase:2,deny,status:403,log,msg:'CVE-2025-22286 XSS attempt',\
    chain"
    SecRule ARGS "@rx (?i)(<script|onerror=|javascript:|%3Cscript)" \
        "t:none,t:urlDecodeUni,t:lowercase"