CVE-2025-32923

7.1 HIGH

📋 TL;DR

This is a reflected cross-site scripting (XSS) vulnerability in the Tourmaster WordPress plugin that allows attackers to inject malicious scripts into web pages. When exploited, it can enable session hijacking, credential theft, or website defacement. All WordPress sites using vulnerable versions of the Tourmaster plugin are affected.

💻 Affected Systems

Products:
  • WordPress Tourmaster Plugin
Versions: All versions up to 5.4.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Tourmaster plugin enabled.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers steal administrator credentials, take over the WordPress site, install backdoors, and compromise all user data.

🟠

Likely Case

Attackers steal user session cookies to impersonate legitimate users, redirect visitors to malicious sites, or deface pages.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS vulnerabilities are commonly exploited via crafted URLs or forms.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.4.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/tourmaster/vulnerability/wordpress-tourmaster-plugin-5-4-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Tourmaster plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.

🔧 Temporary Workarounds

Input Validation Filter

all

Add server-side input validation to sanitize user inputs before processing.

Implement proper input sanitization in affected plugin files using WordPress sanitization functions like sanitize_text_field()

Web Application Firewall

all

Deploy WAF rules to block XSS payloads in HTTP requests.

Configure WAF to detect and block patterns like <script>, javascript:, and common XSS vectors

🧯 If You Can't Patch

  • Disable the Tourmaster plugin immediately until patched.
  • Implement Content Security Policy (CSP) headers to restrict script execution sources.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Tourmaster version. If version is 5.4.1 or earlier, you are vulnerable.

Check Version:

wp plugin list --name=tourmaster --field=version

Verify Fix Applied:

After updating, verify Tourmaster plugin version is 5.4.2 or later in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests containing script tags or encoded JavaScript in query parameters
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • HTTP requests with suspicious parameters like ?input=<script>alert()</script>
  • Traffic patterns showing repeated requests to same endpoint with varying payloads

SIEM Query:

source="web_logs" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*onerror=*" OR uri="*onload=*")

🔗 References

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