CVE-2025-66306

Name: CVE-2025-66306
Creator: NVD / NIST
Published: 2025-12-01T22:15:50.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2025-66306 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Grav is a file-based Web platform. Prior to 1.8.0-beta.27, there is an IDOR (Insecure Direct Object Reference) vulnerability in the Grav CMS Admin Panel which allows low-privilege users to access sensitive information from other accounts. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, there is an IDOR (Insecure Direct Object Reference) vulnerability in the Grav CMS Admin Panel which allows low-privilege users to access sensitive information from other accounts. Although direct account takeover is not possible, admin email addresses and other metadata can be exposed, increasing the risk of phishing, credential stuffing, and social engineering. This vulnerability is fixed in 1.8.0-beta.27.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.25%

16.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions	Update
Getgrav	Grav	>= 1.7.48, < 1.8.0	—
Getgrav	Grav	1.8.0	Beta1

References

https://github.com/getgrav/grav/commit/b7e1958a6e807ac14919447b60e5204a2ea77f62Patch
https://github.com/getgrav/grav/security/advisories/GHSA-4cwq-j7jv-qmwgExploit, Vendor Advisory
https://github.com/getgrav/grav/security/advisories/GHSA-4cwq-j7jv-qmwgExploit, Vendor Advisory

Timeline

Published: Dec 1, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66306?

How severe is CVE-2025-66306?

CVE-2025-66306 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66306?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66306?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST