CVE-2025-57988

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the Uncanny Toolkit for LearnDash WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using affected versions of this plugin are vulnerable to this attack.

💻 Affected Systems

Products:
  • Uncanny Toolkit for LearnDash WordPress plugin
Versions: All versions up to and including 3.0.7.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress with LearnDash and the Uncanny Toolkit plugin installed. The vulnerability exists in the plugin's input handling during web page generation.

⚠️ 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, hijack user sessions, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially gaining unauthorized access to user accounts.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

This is a stored XSS vulnerability requiring the attacker to inject malicious payloads that persist in the application. Exploitation typically requires some level of access to input fields.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 3.0.7.3

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/uncanny-learndash-toolkit/vulnerability/wordpress-uncanny-toolkit-for-learndash-plugin-3-0-7-3-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 'Uncanny Toolkit for LearnDash'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the vulnerable plugin until patched

Content Security Policy (CSP)

all

Implement CSP headers to restrict script execution sources

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block XSS payloads
  • Disable user input fields that accept HTML/JavaScript content

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Uncanny Toolkit for LearnDash version. If version is 3.0.7.3 or earlier, you are vulnerable.

Check Version:

wp plugin list --name='uncanny-learndash-toolkit' --field=version

Verify Fix Applied:

After updating, verify plugin version is higher than 3.0.7.3 in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests containing script tags or JavaScript payloads to plugin endpoints
  • Multiple failed attempts to inject scripts

Network Indicators:

  • HTTP requests containing suspicious script tags in parameters
  • Outbound connections to unknown domains after page loads

SIEM Query:

source="wordpress.log" AND ("script" OR "javascript" OR "onload" OR "onerror") AND "uncanny"

🔗 References

📤 Share & Export