CVE-2025-30538
📋 TL;DR
This CSRF vulnerability in the Simple Optimizer WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions. Attackers can craft malicious requests that execute when an admin visits a compromised page, potentially changing plugin settings. All WordPress sites using Simple Optimizer versions up to 1.2.7 are affected.
💻 Affected Systems
- Simple Optimizer 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
An attacker could change plugin optimization settings to degrade site performance, modify cache configurations, or potentially chain with other vulnerabilities for further exploitation.
Likely Case
Attackers could disable optimization features, causing site performance degradation or changing settings that affect user experience.
If Mitigated
With proper CSRF protections and admin awareness, the risk is minimal as it requires admin interaction with malicious content.
🎯 Exploit Status
CSRF attacks typically require social engineering to trick authenticated users into visiting malicious pages.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Simple Optimizer and click 'Update Now'. 4. Verify update to version 1.2.8 or higher.
🔧 Temporary Workarounds
Disable Simple Optimizer Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate simple-optimizer
Implement CSRF Protection Headers
linuxAdd security headers to WordPress site
Add to .htaccess: Header set X-Frame-Options "SAMEORIGIN"
Add to .htaccess: Header set Content-Security-Policy "frame-ancestors 'self'"
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to detect CSRF patterns
- Educate administrators about phishing risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Simple Optimizer versionCheck Version:
wp plugin get simple-optimizer --field=versionVerify Fix Applied:
Verify Simple Optimizer version is 1.2.8 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /wp-admin/admin-ajax.php from same IP with different referers
- Unusual plugin setting changes in WordPress logs
Network Indicators:
- POST requests to Simple Optimizer endpoints without proper CSRF tokens
- Requests with mismatched Origin/Referer headers
SIEM Query:
source="wordpress.log" AND "simple-optimizer" AND ("action=update" OR "action=save")