CVE-2025-62111
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WordPress Extra Shortcodes plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious shortcodes, their browsers execute the attacker's code. All WordPress sites using vulnerable versions of the Extra Shortcodes plugin are affected.
💻 Affected Systems
- WordPress Extra Shortcodes plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress admin accounts, deface websites, or redirect users to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Exploitation requires contributor-level access or higher to inject malicious shortcodes. The vulnerability is publicly documented with technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Extra Shortcodes' and check if update is available. 4. Click 'Update Now' or update manually via FTP. 5. Verify plugin version is 2.3 or higher.
🔧 Temporary Workarounds
Disable Extra Shortcodes Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate extra-shortcodes
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or use WordPress CSP plugin
🧯 If You Can't Patch
- Restrict user roles that can create/edit posts to trusted administrators only
- Implement web application firewall (WAF) rules to block XSS payloads in shortcode parameters
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Extra Shortcodes → Version. If version is 2.2 or lower, you are vulnerable.Check Version:
wp plugin get extra-shortcodes --field=versionVerify Fix Applied:
After updating, verify plugin version shows 2.3 or higher in WordPress admin plugins page.📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode modifications in post/page edit logs
- Multiple failed login attempts after shortcode updates
Network Indicators:
- External script loads from unexpected domains in page responses
- Suspicious JavaScript in shortcode parameters
SIEM Query:
source="wordpress" AND (event="plugin_update" AND plugin="extra-shortcodes" AND version<="2.2") OR (event="post_edit" AND content CONTAINS "[extra-")