.nav-burger { display: none !important; } @media (max-width: 1180px) { /* Match Tailwind's base layer: its important [hidden] reset otherwise wins. */ @layer base { .nav-overlay[hidden] { display: flex !important; } } .nav-overlay[hidden] { position: static; padding: 2rem 1rem; } }

Vulnerability advisory

GHSA-86hp-xrhj-fhpq

TYPO3 Vulnerable to Insecure Deserialization

Published May 24, 2022Updated Feb 3, 2026OSV record ↗

Also known as CVE-2019-12747

Severity

CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected versions

typo3/cms-core Packagist

All typo3/cms-core advisories →

Affected	Fixed in
`8.0.0` to before 8.7.27	`8.7.27`Advisories →
Also listed as affected (20) `v8.7.10` `v8.7.11` `v8.7.12` `v8.7.13` `v8.7.14` `v8.7.15` `v8.7.16` `v8.7.17` `v8.7.18` `v8.7.19` `v8.7.20` `v8.7.21` `v8.7.22` `v8.7.23` `v8.7.24` `v8.7.25` `v8.7.26` `v8.7.7` `v8.7.8` `v8.7.9`
`9.0.0` to before 9.5.8	`9.5.8`Advisories →
Also listed as affected (17) `v9.0.0` `v9.1.0` `v9.2.0` `v9.2.1` `v9.3.0` `v9.3.1` `v9.3.2` `v9.3.3` `v9.4.0` `v9.5.0` `v9.5.1` `v9.5.2` `v9.5.3` `v9.5.4` `v9.5.5` `v9.5.6` `v9.5.7`

typo3/cms Packagist

All typo3/cms advisories →

Affected	Fixed in
`8.0.0` to before 8.7.27	`8.7.27`Advisories →
Also listed as affected (42) `8.0.0` `8.0.1` `8.1.0` `8.1.1` `8.1.2` `8.2.0` `8.2.1` `8.3.0` `8.3.1` `8.4.0` `8.4.1` `8.5.0` `8.5.1` `8.6.0` `8.6.1` `8.7.0` `8.7.1` `8.7.2` `v8.7.10` `v8.7.11` `v8.7.12` `v8.7.13` `v8.7.14` `v8.7.15` `v8.7.16` `v8.7.17` `v8.7.18` `v8.7.19` `v8.7.20` `v8.7.21` `v8.7.22` `v8.7.23` `v8.7.24` `v8.7.25` `v8.7.26` `v8.7.3` `v8.7.4` `v8.7.5` `v8.7.6` `v8.7.7` `v8.7.8` `v8.7.9`
`9.0.0` to before 9.5.8	`9.5.8`Advisories →
Also listed as affected (17) `v9.0.0` `v9.1.0` `v9.2.0` `v9.2.1` `v9.3.0` `v9.3.1` `v9.3.2` `v9.3.3` `v9.4.0` `v9.5.0` `v9.5.1` `v9.5.2` `v9.5.3` `v9.5.4` `v9.5.5` `v9.5.6` `v9.5.7`

Description

TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.

References