Vulnerability advisory

DRUPAL-CORE-2020-012

Published Nov 18, 2020Updated Sep 19, 2026OSV record ↗

Also known as BIT-drupal-2020-13671CVE-2020-13671GHSA-68jc-v27h-vhmw

Severity

Severity not reported.

Affected versions

drupal/core Packagist

Affected	Fixed in
`8.0.0` to before 8.8.11	`8.8.11`Advisories →
`8.9.0` to before 8.9.9	`8.9.9`Advisories →
`9.0.0` to before 9.0.8	`9.0.8`Advisories →
Also listed as affected (155) `8.0.0` `8.0.1` `8.0.2` `8.0.3` `8.0.4` `8.0.5` `8.0.6` `8.1.0` `8.1.0-beta1` `8.1.0-beta2` `8.1.0-rc1` `8.1.1` `8.1.10` `8.1.2` `8.1.3` `8.1.4` `8.1.5` `8.1.6` `8.1.7` `8.1.8` `8.1.9` `8.2.0` `8.2.0-beta1` `8.2.0-beta2` `8.2.0-beta3` `8.2.0-rc1` `8.2.0-rc2` `8.2.1` `8.2.2` `8.2.3` `8.2.4` `8.2.5` `8.2.6` `8.2.7` `8.2.8` `8.3.0` `8.3.0-alpha1` `8.3.0-beta1` `8.3.0-rc1` `8.3.0-rc2` `8.3.1` `8.3.2` `8.3.3` `8.3.4` `8.3.5` `8.3.6` `8.3.7` `8.3.8` `8.3.9` `8.4.0` `8.4.0-alpha1` `8.4.0-beta1` `8.4.0-rc1` `8.4.0-rc2` `8.4.1` `8.4.2` `8.4.3` `8.4.4` `8.4.5` `8.4.6` `8.4.7` `8.4.8` `8.5.0` `8.5.0-alpha1` `8.5.0-beta1` `8.5.0-rc1` `8.5.1` `8.5.10` `8.5.11` `8.5.12` `8.5.13` `8.5.14` `8.5.15` `8.5.2` `8.5.3` `8.5.4` `8.5.5` `8.5.6` `8.5.7` `8.5.8` `8.5.9` `8.6.0` `8.6.0-alpha1` `8.6.0-beta1` `8.6.0-beta2` `8.6.0-rc1` `8.6.1` `8.6.10` `8.6.11` `8.6.12` `8.6.13` `8.6.14` `8.6.15` `8.6.16` `8.6.17` `8.6.18` `8.6.2` `8.6.3` `8.6.4` `8.6.5` `8.6.6` `8.6.7` `8.6.8` `8.6.9` `8.7.0` `8.7.0-alpha1` `8.7.0-alpha2` `8.7.0-beta1` `8.7.0-beta2` `8.7.0-rc1` `8.7.1` `8.7.10` `8.7.11` `8.7.12` `8.7.13` `8.7.14` `8.7.2` `8.7.3` `8.7.4` `8.7.5` `8.7.6` `8.7.7` `8.7.8` `8.7.9` `8.8.0` `8.8.0-alpha1` `8.8.0-beta1` `8.8.0-rc1` `8.8.1` `8.8.10` `8.8.2` `8.8.3` `8.8.4` `8.8.5` `8.8.6` `8.8.7` `8.8.8` `8.8.9` `8.9.0` `8.9.1` `8.9.2` `8.9.3` `8.9.4` `8.9.5` `8.9.6` `8.9.7` `8.9.8` `9.0.0` `9.0.1` `9.0.2` `9.0.3` `9.0.4` `9.0.5` `9.0.6` `9.0.7`

Description

Update November 18: Documented longer list of dangerous file extensions

Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations.

References

Webwww.drupal.org/sa-core-2020-012 ↗