CVE-2025-26578
📋 TL;DR
This CSRF vulnerability in the Simple Documentation WordPress plugin allows attackers to trick authenticated administrators into performing actions without their consent, leading to stored cross-site scripting (XSS). Attackers can inject malicious scripts that execute when other users view affected pages. All WordPress sites using Simple Documentation version 1.2.8 or earlier are affected.
💻 Affected Systems
- Simple Documentation WordPress 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 inject persistent malicious scripts that steal session cookies, redirect users to phishing sites, or perform actions as authenticated users, potentially compromising the entire WordPress site.
Likely Case
Attackers would typically inject scripts to steal administrator cookies or session tokens, gaining administrative access to the WordPress site.
If Mitigated
With proper CSRF protections and content security policies, the attack would fail or have limited impact.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated users. No public exploit code available as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.2.8
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Simple Documentation plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin immediately.
🔧 Temporary Workarounds
Implement CSRF Tokens
WordPressAdd CSRF protection tokens to all form submissions and state-changing operations in the plugin
Requires custom PHP development to implement nonce verification
Content Security Policy
allImplement strict Content Security Policy headers to prevent XSS execution
Header set Content-Security-Policy "default-src 'self'; script-src 'self'" in .htaccess or web server config
🧯 If You Can't Patch
- Deactivate and remove the Simple Documentation plugin immediately
- Implement web application firewall rules to block suspicious POST requests to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Simple Documentation version 1.2.8 or earlierCheck Version:
wp plugin list --name='Simple Documentation' --field=version (if WP-CLI installed)Verify Fix Applied:
Verify plugin version is higher than 1.2.8 or plugin is completely removed📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php or plugin-specific endpoints
- Multiple failed CSRF token validations
Network Indicators:
- Suspicious external domains in referer headers for authenticated requests
- Unexpected JavaScript payloads in POST data
SIEM Query:
source="wordpress.log" AND ("admin-ajax.php" OR "simple-documentation") AND (POST) AND (referer NOT CONTAINS own_domain)