CVE-2020-37256CWE-79cross-site-scripting

CVE-2020-37256

Medium · published June 26, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
20.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00287 · 20.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-06-26T02:16Z
Affected products (1)
ProductVersionsFixed in
getgrav/grav< 1.6.301.6.30
References (2)
https://github.com/getgrav/grav/security/advisories/GHSA-cvmr-6428-87w9 · [email protected]https://www.vulncheck.com/advisories/grav-cross-site-scripting-in-admin-plugin-page-editor · [email protected]
EPSS history
Timeline
  • 25 JUN 21:41Z
    Grav - Cross-Site Scripting in Admin Plugin Page Editor
    cvelistv5