Fix GuideInput Validation
How to Fix CWE-918: Server-Side Request Forgery (SSRF)
Verified by Precogs Threat Research
The application makes HTTP requests based on user-supplied URLs without proper validation.
⚠️ Impact if Unpatched
Internal network scanning, cloud metadata theft (AWS/GCP credentials), access to internal services.
Step-by-Step Remediation
- Validate and sanitize all user-supplied URLs
- Implement URL allowlists for permitted destinations
- Block requests to private/internal IP ranges (10.x, 172.16.x, 192.168.x, 169.254.x)
- Disable unnecessary URL schemes (file://, gopher://, dict://)
- Use a dedicated egress proxy for outbound requests
Don't just patch one instance.
Scan your entire codebase for all instances of Server-Side Request Forgery (SSRF).
Scan for Free with Precogs AI →Recent Vulnerabilities (CWE-918)
54 vulnerabilities in our database match Server-Side Request Forgery (SSRF).
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CVE-2026-4874: CVE-2026-4874: Server-Side Request Forgery in Keycloak
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CVE-2026-4528: A vulnerability was determined in trueleaf ApiFlow 0.
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CVE-2024-56279: Server-Side Request Forgery (SSRF) — Cloud metadata access
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CVE-2025-27774: Blind SSRF with Arbitrary File Read
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CVE-2026-3478: The Content Syndication Toolkit plugin for WordPress is vulnerable to Server-Sid
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CVE-2026-2290: The Post Affiliate Pro plugin for WordPress is vulnerable to Server-Side Request
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CVE-2026-1648: The Performance Monitor plugin for WordPress is vulnerable to Server-Side Reques
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CVE-2026-1313: The MimeTypes Link Icons plugin for WordPress is vulnerable to Server-Side Reque
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CVE-2026-4302: The WowOptin: Next-Gen Popup Maker plugin for WordPress is vulnerable to Server-
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