CVE-2025-66300: grav Path Traversal — Exploit & Fix

Description

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A low privilege user account with page editing privilege can read any server files using "Frontmatter" form. This includes Grav user account files (/grav/user/accounts/*.yaml), which store hashed user password, 2FA secret, and the password reset token. This can allow an adversary to compromise any registered account by resetting a password for a user to get access to the password reset token from the file or by cracking the hashed password. This vulnerability is fixed in 1.8.0-beta.27.

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CVSS v3.1 Score

8.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
getgrav	grav	< 1.8.0
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All
getgrav	grav	All

References

Advisories & Patches

https://github.com/getgrav/grav/commit/ed640a13143c4177af013cf001969ed2c5e197ee

Exploits

https://github.com/getgrav/grav/security/advisories/GHSA-p4ww-mcp9-j6f2

Frequently Asked Questions

What is CVE-2025-66300? +

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A low privilege user account with page editing privilege can read any server files using "Frontmatter" form. This includes Grav user account files (/grav/user/accounts/*.yaml), which store hashed user password, 2FA secret, and the password reset token. This can allow an adversary to compromise any registered account by resetting a password for a user to get access to the password reset token from the file or by cracking the hashed password. This vulnerability is fixed in 1.8.0-beta.27. It has a CVSS v3.1 base score of 8.5 (HIGH).

How severe is CVE-2025-66300? +

CVE-2025-66300 has a CVSS v3.1 score of 8.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-66300? +

CVE-2025-66300 affects products from getgrav, specifically: grav. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66300? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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