SCA: security update for getgrav/grav (GHSA-v8x2-fjv7-8hjh)

high Tenable Cloud Security Plugin ID 437268

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when
modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions
to change basic content on the form is now able to change the functioning of the form through modifying
the content of the data[_json][header][form] which is the YAML frontmatter which includes the process
section which dictates what happens after a user submits the form which include some important actions
that could lead to further vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27. (CVE-2025-66301)

See Also

https://github.com/advisories/GHSA-v8x2-fjv7-8hjh

Plugin Details

Severity: High

ID: 437268

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 1/28/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: High

Score: 7.5

Percentile: 98.47

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2025-66301

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.6

Threat Score: 7.3

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/2/2025

Vulnerability Publication Date: 12/1/2025

Exploitable With

Metasploit (Grav CMS Twig SSTI Authenticated Sandbox Bypass RCE)

Reference Information

CVE: CVE-2025-66301

cwe: CWE-285