CVE-2025-66844: SSRF
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
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-66844?
CVE-2025-66844 is classified as a high severity vulnerability due to its potential to exploit SSRF attacks.
How do I fix CVE-2025-66844?
To fix CVE-2025-66844, upgrade Grav to version 1.7.49.5 or later, ensuring that undefined PHP functions cannot be registered.
What is the impact of CVE-2025-66844?
The impact of CVE-2025-66844 includes the possibility of attackers making unauthorized requests from the server, potentially leading to data exposure.
Which versions of Grav are affected by CVE-2025-66844?
Grav versions prior to 1.7.49.5 are affected by CVE-2025-66844.
How can I identify if my system is vulnerable to CVE-2025-66844?
You can identify if your system is vulnerable to CVE-2025-66844 by checking if your Grav installation is below version 1.7.49.5 and reviewing your Twig template configurations.