CVE-2025-66298

HIGH EPSS 23.6%
Published Dec 1, 20257mo ago · Modified Jun 17, 20261w ago
7.7 CVSS 4.0
High
Find Similar
Published Dec 1, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

Description

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, having a simple form on site can reveal the whole Grav configuration details (including plugin configuration details) by using the correct POST payload to exploit a Server-Side Template (SST) vulnerability. Sensitive information may be contained in the configuration details. This vulnerability is fixed in 1.8.0-beta.27.

CVSS Details

Base Score
7.7
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
23.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-1336

Affected Products 27

VendorProductVersionRange
getgravgrav* <1.8.0
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any
getgravgrav1.8.0any

References 2

  • github.com https://github.com/getgrav/grav/commit/e37259527d9c1deb6200f8967197a9fa587c6458
    Patch
  • github.com https://github.com/getgrav/grav/security/advisories/GHSA-8535-hvm8-2hmv
    ExploitThird Party Advisory

Remediation

  • github.com https://github.com/getgrav/grav/commit/e37259527d9c1deb6200f8967197a9fa587c6458
    Patch