CVE-2025-26957
📋 TL;DR
This vulnerability allows attackers to include local files on the server through the Affiliate Coupons WordPress plugin. Attackers can potentially read sensitive files or execute code by manipulating file inclusion parameters. All WordPress sites running vulnerable versions of the Affiliate Coupons plugin are affected.
💻 Affected Systems
- Deetronix Affiliate Coupons 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
Remote code execution leading to complete server compromise, data theft, and website defacement.
Likely Case
Sensitive file disclosure (configuration files, database credentials) and limited code execution within web server context.
If Mitigated
Limited impact if proper file permissions restrict access to sensitive files and web application firewall blocks malicious requests.
🎯 Exploit Status
Exploitation requires understanding of PHP file inclusion vulnerabilities and ability to craft malicious requests. No authentication required based on CWE-98 classification.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.7.3 (check plugin repository for latest)
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Affiliate Coupons' and click 'Update Now'. 4. Alternatively, download latest version from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
WordPressTemporarily disable the Affiliate Coupons plugin until patched
wp plugin deactivate affiliate-coupons
Web Application Firewall Rule
allBlock requests containing file inclusion patterns targeting the plugin
🧯 If You Can't Patch
- Remove the Affiliate Coupons plugin completely from production systems
- Implement strict file permissions (chmod 600) on sensitive configuration files
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Affiliate Coupons version. If version is 1.7.3 or lower, you are vulnerable.Check Version:
wp plugin get affiliate-coupons --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.7.3. Test file inclusion functionality manually if possible.📡 Detection & Monitoring
Log Indicators:
- HTTP requests with suspicious file paths in parameters
- Multiple 404 errors followed by successful file reads
- PHP include/require errors in web server logs
Network Indicators:
- Unusual file paths in GET/POST parameters
- Requests to plugin-specific endpoints with file inclusion patterns
SIEM Query:
source="web_logs" AND (uri="*affiliate-coupons*" AND (param="*../*" OR param="*php://*" OR param="*file=*"))