CVE-2025-66306 Grav vulnerable to Information Disclosure via IDOR in Grav Admin Panel

What is CVE-2025-66306?

CVE-2025-66306 is a medium-severity vulnerability in Getgrav Grav, published on 1 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-639

Which versions are affected by CVE-2025-66306?

2 open source packages ship an affected version, including getgrav/grav. It affects 1 product.

Products include Getgrav Grav.

How do I fix CVE-2025-66306?

Upgrade getgrav/grav to 1.8.0-beta.27 or later.

Is CVE-2025-66306 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66306 exists.

Other vulnerabilities in Getgrav Grav

• CVE-2023-34251 Grav Server Side Template Injection vulnerability Critical 10.0
• CVE-2025-46199 Cross-site scripting in n/a Critical 9.8
• CVE-2021-47812 GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2) Critical 9.3
• CVE-2025-66844 Grav may be vulnerable to SSRF attack via Twig Templates Critical 9.1
• CVE-2022-2073 Code Injection in getgrav/grav Critical 9.1

All Getgrav Grav vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4cwq-j7jv-qmwg.