CVE-2025-31035
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WP Editor.md WordPress plugin allows attackers to inject malicious scripts into web pages that persist and execute when other users view the affected content. The vulnerability affects all WordPress sites using WP Editor.md versions up to 10.2.1. Attackers could steal session cookies, redirect users, or perform actions on behalf of authenticated users.
💻 Affected Systems
- WP Editor.md – The Perfect WordPress Markdown Editor
⚠️ 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 sites, install backdoors, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious scripts into posts or pages that execute when viewed by other users, potentially stealing user session data or performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users.
🎯 Exploit Status
Exploitation requires contributor-level access or higher to create/edit posts with malicious scripts. The vulnerability is in stored content, making it persistent.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.2.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP Editor.md plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 10.2.2+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable WP Editor.md Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-editormd
Restrict User Roles
allLimit post creation/editing to trusted administrators only
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Enable Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → WP Editor.md → Version. If version is 10.2.1 or lower, you are vulnerable.Check Version:
wp plugin get wp-editormd --field=versionVerify Fix Applied:
After updating, verify plugin version shows 10.2.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual post edits containing script tags or JavaScript code
- Multiple failed login attempts followed by successful contributor/admin login
Network Indicators:
- Outbound connections to suspicious domains after viewing specific posts/pages
- Unexpected cookie theft or session hijacking patterns
SIEM Query:
source="wordpress.log" AND ("wp-editormd" OR "editor.md") AND ("script" OR "javascript:" OR "onload=" OR "onerror=")