CVE-2020-37256

MEDIUM 5.4

Grav - Cross-Site Scripting in Admin Plugin Page Editor

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	grav
Product	grav
Published	Jun 25, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Grav / Grav

0 < 1.6.30

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/getgrav/grav/security/advisories/GHSA-cvmr-6428-87w9 vulncheck.com: https://www.vulncheck.com/advisories/grav-cross-site-scripting-in-admin-plugin-page-editor

Credits

ShrubberyRubbery