CVE-2025-27286
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code through PHP object injection via deserialization of untrusted data in the Saoshyant Slider WordPress plugin. All WordPress sites using affected versions of this plugin are vulnerable to complete system compromise.
💻 Affected Systems
- Saoshyant Slider 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
Full remote code execution leading to complete server takeover, data exfiltration, and lateral movement within the network.
Likely Case
Remote code execution allowing attackers to install backdoors, deface websites, or deploy ransomware.
If Mitigated
Limited impact if proper web application firewalls and input validation are in place, though exploitation may still succeed.
🎯 Exploit Status
Public exploit details are available and the vulnerability requires no authentication, making exploitation trivial for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.0 (check WordPress plugin repository)
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Saoshyant Slider and update to latest version. 4. If no update is available, disable and remove the plugin immediately.
🔧 Temporary Workarounds
Disable Saoshyant Slider Plugin
allImmediately disable the vulnerable plugin to prevent exploitation
wp plugin deactivate saoshyant-slider
Web Application Firewall Rule
allBlock requests containing serialized PHP object patterns
Add WAF rule to block requests with patterns like O:[0-9]+:"
Block POST requests to wp-content/plugins/saoshyant-slider/
🧯 If You Can't Patch
- Immediately disable or remove the Saoshyant Slider plugin from all WordPress installations
- Implement strict input validation and sanitization for all user-supplied data in the application
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Saoshyant Slider version 3.0 or earlier
Check Version:
wp plugin get saoshyant-slider --field=version
Verify Fix Applied:
Verify plugin version is higher than 3.0 or plugin is completely removed from the plugins directory
📡 Detection & Monitoring
Log Indicators:
- POST requests to wp-content/plugins/saoshyant-slider/ with serialized data
- PHP errors related to unserialize() or object injection
- Unusual file creation in WordPress directories
Network Indicators:
- HTTP requests containing serialized PHP object patterns (O:[0-9]+:")
- Traffic to known exploit servers from WordPress instances
SIEM Query:
source="web_logs" AND (uri="*saoshyant-slider*" OR post_data="*O:[0-9]+:*")