CVE-2020-37256 - CVE House
Back to Database
Status published Medium CVE-2020-37256

Grav - Cross-Site Scripting in Admin Plugin Page Editor

Vulnerability Description

Grav before 1.6.30 contains a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-37256

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • ShrubberyRubbery

Affected Vendor

Affected Software

Grav
Vulnerable Versions:
0, 1.6.30

Timeline

Official Publish: June 25th, 2026
Last Modified: June 27th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)