Vulnerability advisory

GHSA-c9q3-r4rv-mjm7

Fix for arbitrary command execution in custom layout update through blocks

Published Jan 27, 2023Updated Jul 8, 2026OSV record ↗

Severity

Affected versions

Affected	Fixed in
All versions before 19.4.22	`19.4.22`Advisories →
Also listed as affected (30) `1.9.1.1` `1.9.2.0` `1.9.2.1` `1.9.2.2` `1.9.2.3` `1.9.2.4` `1.9.3.0` `1.9.3.1` `v19.4.0` `v19.4.1` `v19.4.10` `v19.4.11` `v19.4.12` `v19.4.13` `v19.4.14` `v19.4.15` `v19.4.16` `v19.4.17` `v19.4.18` `v19.4.19` `v19.4.2` `v19.4.20` `v19.4.21` `v19.4.3` `v19.4.4` `v19.4.5` `v19.4.6` `v19.4.7` `v19.4.8` `v19.4.9`
`20.0.0` to before 20.0.19	`20.0.19`Advisories →
Also listed as affected (18) `v20.0.0` `v20.0.1` `v20.0.10` `v20.0.11` `v20.0.12` `v20.0.13` `v20.0.14` `v20.0.15` `v20.0.16` `v20.0.17` `v20.0.18` `v20.0.2` `v20.0.3` `v20.0.4` `v20.0.5` `v20.0.6` `v20.0.7` `v20.0.8`

Custom Layout enabled admin users to execute arbitrary commands via block methods.