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OpenAdvisories
Medium · 5.4 CVE-2020-37256 EUVD-2020-31260GHSA-cvmr-6428-87w9GHSA-gwrh-r2g6-7wgp

Grav - Cross-Site Scripting in Admin Plugin Page Editor

Published Jun 25, 2026 · Updated Oct 8, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Grav Grav < 1.6.30 1.6.30

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist getgrav/grav < 1.6.30 1.6.30 GHSA-cvmr-6428-87w9

References