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

> Low-privilege users can access sensitive metadata from other accounts via IDOR in the Grav Admin Panel, exposing admin emails and increasing phishing risks.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 1 Dec 2025
- **Updated:** 2 Dec 2025
- **Also known as:** GHSA-4cwq-j7jv-qmwg

## 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 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2025-66306?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `getgrav/grav` | Packagist | All versions | 1.8.0-beta.27 |
| `getgrav/grav` | Packagist | All versions | 1.8.0-beta.27 |

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

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-66306 and fix it if it is affected.

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

Affected packages and fixed versions:
- getgrav/grav (Packagist): affected all versions; fixed in 1.8.0-beta.27
- getgrav/grav (Packagist): affected all versions; fixed in 1.8.0-beta.27

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-66306/ (Markdown: https://insights.sbomify.com/CVE-2025-66306/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-66306
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-66306
- OSV: https://osv.dev/vulnerability/CVE-2025-66306

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-66306/
Summaries are generated and may contain mistakes; the official description above is the record.