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CVE-2025-66844

Getgrav Grav server-side request forgery (SSRF)

9.1 CRITICALPublic exploitEPSS 0.29%
  1. Published15 Dec 2025

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Getgrav Grav< 1.7.49.5

Remediation

Fixed in
Getgrav Grav≥ 1.7.49.5

References

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Frequently asked

Is CVE-2025-66844 being actively exploited?

CVE-2025-66844 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.29%.

How severe is CVE-2025-66844?

CVE-2025-66844 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.29% probability of exploitation.

Which products are affected by CVE-2025-66844?

Affected products include Getgrav Grav.

How do I fix CVE-2025-66844?

Upgrade affected software to a fixed version, for example Getgrav Grav 1.7.49.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-66844 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.