CVE-2025-31527
📋 TL;DR
This Server-Side Request Forgery (SSRF) vulnerability in the Kishan WP Link Preview WordPress plugin allows attackers to make the vulnerable server send unauthorized requests to internal or external systems. It affects all WordPress sites running WP Link Preview version 1.4.1 or earlier. Attackers can potentially access internal services, perform port scanning, or interact with cloud metadata services.
💻 Affected Systems
- Kishan WP Link Preview 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 access internal services, cloud metadata APIs (exposing credentials), perform port scanning of internal networks, or use the vulnerable server as a proxy for attacks against other systems.
Likely Case
Information disclosure from internal services, reconnaissance of internal network, or abuse of the server as a proxy for scanning external targets.
If Mitigated
Limited impact if network segmentation restricts internal access and external requests are filtered, though some information disclosure may still occur.
🎯 Exploit Status
SSRF vulnerabilities are commonly exploited with simple HTTP requests. The Patchstack advisory includes technical details that could facilitate exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Link Preview' and click 'Update Now'. 4. Alternatively, download version 1.4.2+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable WP Link Preview Plugin
allTemporarily deactivate the vulnerable plugin until patching is possible.
wp plugin deactivate wp-link-preview
Network Filtering
allImplement web application firewall rules to block SSRF patterns or restrict outbound requests from the web server.
🧯 If You Can't Patch
- Disable the WP Link Preview plugin immediately
- Implement network segmentation to restrict the web server's access to internal services and cloud metadata endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Link Preview version 1.4.1 or earlier.Check Version:
wp plugin get wp-link-preview --field=versionVerify Fix Applied:
Verify WP Link Preview version is 1.4.2 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server to internal IPs, localhost, or cloud metadata services
- Requests to unexpected domains from the web server process
Network Indicators:
- Web server making requests to internal network segments or restricted IP ranges
- HTTP requests to cloud metadata endpoints (169.254.169.254, etc.)
SIEM Query:
source="web_server_logs" AND (uri CONTAINS "/wp-content/plugins/wp-link-preview/" OR user_agent CONTAINS "wp-link-preview") AND (dest_ip IN internal_ranges OR dest_ip=169.254.169.254)