grav up to 1.8.0-beta.27 Frontmatter Form /grav/user/accounts/ path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in grav up to 1.8.0-beta.27. The impacted element is an unknown function of the file /grav/user/accounts/ of the component Frontmatter Form. The manipulation leads to path traversal. This vulnerability is listed as CVE-2025-66300. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in grav up to 1.8.0-beta.27 and classified as critical. This issue affects some unknown functionality of the file /grav/user/accounts/ of the component Frontmatter Form. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-66300 since 11/27/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 1.8.0-beta.27 eliminates this vulnerability. Applying the patch ed640a13143c4177af013cf001969ed2c5e197ee is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: grav 1.8.0-beta.27
Patch: ed640a13143c4177af013cf001969ed2c5e197ee

Timelineinfo

11/27/2025 CVE reserved
12/01/2025 +4 days Advisory disclosed
12/01/2025 +0 days VulDB entry created
12/01/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-p4ww-mcp9-j6f2
Status: Confirmed

CVE: CVE-2025-66300 (🔒)
GCVE (CVE): GCVE-0-2025-66300
GCVE (VulDB): GCVE-100-333923

Entryinfo

Created: 12/01/2025 23:28
Changes: 12/01/2025 23:28 (67)
Complete: 🔍
Cache ID: 216::103

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