The Scheduler in Grav CMS through 1.7.0-rc.17 allows an attacker to execute a system command by tricking an admin into visiting a malicious website (CSRF).
https://blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/
Source: Mitre, NVD
Published: 2021-03-15
Updated: 2026-06-17
Base Score: 5.1
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00152