CVE-2025-47482

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the SKT Skill Bar WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies, redirecting users, or performing actions on their behalf. WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • SKT Skill Bar WordPress Plugin
Versions: All versions up to and including 2.4
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the SKT Skill Bar plugin enabled. The vulnerability is 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 session cookies, take over WordPress sites, deface websites, install backdoors, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts and performing unauthorized actions.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Stored XSS vulnerabilities in WordPress plugins are commonly exploited. The Patchstack reference provides technical details about the vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 2.4

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/skt-skill-bar/vulnerability/wordpress-skt-skill-bar-2-4-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 'SKT Skill Bar' and check if update is available. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download latest version from WordPress repository. 6. Deactivate and delete current plugin. 7. Upload and activate new version.

🔧 Temporary Workarounds

Disable SKT Skill Bar Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate skt-skill-bar

Implement Content Security Policy

all

Add CSP headers to mitigate XSS impact

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";

🧯 If You Can't Patch

  • Remove SKT Skill Bar plugin entirely and use alternative skill bar functionality
  • Implement web application firewall (WAF) rules to block XSS payloads targeting this plugin

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for SKT Skill Bar version. If version is 2.4 or earlier, you are vulnerable.

Check Version:

wp plugin get skt-skill-bar --field=version

Verify Fix Applied:

After updating, verify SKT Skill Bar version is higher than 2.4 in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to SKT Skill Bar endpoints containing script tags or JavaScript
  • Multiple failed XSS attempts in web server logs
  • Unexpected plugin file modifications

Network Indicators:

  • HTTP requests with suspicious parameters containing <script> tags or JavaScript events
  • Outbound connections to unknown domains from your WordPress site

SIEM Query:

source="web_server" AND (uri_path="*skt-skill-bar*" AND (request_body="*<script>*" OR request_body="*javascript:*" OR request_body="*onload=*"))

🔗 References

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