GHSA-729w-j79f-2c34 · Severity: critical · Ecosystem: composer — Grav may be vulnerable to SSRF attack via Twig Templates
In grav <1.7.49.5, a SSRF (Server-Side Request Forgery) vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered
Conclusion & alert: CVE-2025-66844 is rated Exploit Available (57.5/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.06%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-25 | 0.05% | 0.06% | +0.01% |
| 2 | 2026-05-13 | 0.05% | 0.05% | -0.00% |
| 3 | 2026-01-26 | — | 0.05% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-729w-j79f-2c34 · Severity: critical · Ecosystem: composer — Grav may be vulnerable to SSRF attack via Twig Templates
| URL | Tags |
|---|---|
| https://github.com/Yohane-Mashiro/grav_cve/issues/2 | Exploit Issue Tracking Third Party Advisory |