CVE-2025-14113

6.4 MEDIUM

📋 TL;DR

The Viitor Button Shortcodes WordPress plugin has a stored XSS vulnerability in all versions up to 3.0.0. Authenticated attackers with Contributor access or higher can inject malicious scripts via the 'link' shortcode attribute, which execute when users view affected pages. This affects all WordPress sites using vulnerable plugin versions.

💻 Affected Systems

Products:
  • Viitor Button Shortcodes WordPress Plugin
Versions: All versions up to and including 3.0.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with vulnerable plugin version and at least one user with Contributor role or higher.

⚠️ 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 admin credentials, redirect users to malicious sites, deface websites, or install backdoors for persistent access.

🟠

Likely Case

Attackers with contributor accounts inject malicious scripts to steal user session cookies or redirect visitors to phishing pages.

🟢

If Mitigated

With proper user access controls and content filtering, impact is limited to potential defacement of specific pages.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access but is technically simple once attacker has Contributor-level credentials.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 3.0.0

Vendor Advisory: https://plugins.trac.wordpress.org/browser/viitor-shortcodes

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Viitor Button Shortcodes' and click 'Update Now' if available. 4. If no update appears, manually download latest version from WordPress plugin repository and replace files via FTP/SFTP.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the vulnerable plugin until patched

wp plugin deactivate viitor-shortcodes

Restrict User Roles

all

Remove Contributor role access or implement stricter content review

🧯 If You Can't Patch

  • Implement Web Application Firewall (WAF) with XSS protection rules
  • Enable WordPress security plugins that filter malicious script injections

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Viitor Button Shortcodes → Version number. If version is 3.0.0 or lower, you are vulnerable.

Check Version:

wp plugin get viitor-shortcodes --field=version

Verify Fix Applied:

After updating, verify plugin version is higher than 3.0.0 in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to WordPress admin-ajax.php with 'link' parameter containing script tags
  • Multiple page/post edits from Contributor accounts in short timeframe

Network Indicators:

  • Outbound connections to suspicious domains from WordPress pages containing viitor shortcodes

SIEM Query:

source="wordpress.log" AND ("viitor" OR "shortcode") AND ("script" OR "javascript:" OR "onclick")

🔗 References

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