CVE-2025-32483

5.9 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the WordPress Request Call Back plugin allows attackers to inject malicious scripts that execute when other users view affected pages. It affects all WordPress sites using vulnerable versions of the plugin. The vulnerability enables session hijacking, defacement, and malware distribution.

💻 Affected Systems

Products:
  • WordPress Request Call Back plugin
Versions: n/a through 1.4.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable plugin versions are affected regardless of configuration.

⚠️ 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 could steal administrator credentials, take over the WordPress site, install backdoors, or redirect visitors to malicious sites, potentially compromising the entire web server and user data.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing pages, or deface the call back request forms with malicious content.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing any impact.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires submitting malicious input through the call back request form, which then gets stored and executed when viewed by administrators or other users.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.4.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/request-call-back/vulnerability/wordpress-request-call-back-1-4-1-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 'Request Call Back' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.

🔧 Temporary Workarounds

Temporary Input Sanitization

all

Add custom input validation to sanitize all user inputs in the plugin's form processing functions

Add sanitize_text_field() or esc_html() to all user input variables in plugin PHP files

🧯 If You Can't Patch

  • Deactivate and remove the Request Call Back plugin immediately
  • Implement web application firewall (WAF) rules to block XSS payloads in form submissions

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Request Call Back version. If version is 1.4.1 or earlier, you are vulnerable.

Check Version:

wp plugin list --name='request-call-back' --field=version

Verify Fix Applied:

After updating, verify plugin version shows 1.4.2 or later in WordPress admin plugins page.

📡 Detection & Monitoring

Log Indicators:

  • Unusual JavaScript or HTML in form submissions to call back endpoints
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • HTTP POST requests containing script tags or JavaScript code to plugin endpoints
  • Unusual outbound connections from admin users after viewing call back requests

SIEM Query:

source="web_server_logs" AND (uri="/wp-admin/admin-ajax.php" OR uri LIKE "%/request-call-back/%") AND (message LIKE "%<script>%" OR message LIKE "%javascript:%" OR message LIKE "%onload=%")

🔗 References

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