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Updated: 15 hours 52 min ago

Drupal core - Critical - Cross-site scripting - SA-CORE-2021-002

Wed, 04/21/2021 - 17:58
Project: Drupal coreDate: 2021-April-21Security risk: Critical 15∕25 AC:Basic/A:None/CI:Some/II:Some/E:Theoretical/TD:DefaultVulnerability: Cross-site scriptingDescription: 

Drupal core's sanitization API fails to properly filter cross-site scripting under certain circumstances.

Not all sites and users are affected, but configuration changes to prevent the exploit might be impractical and will vary between sites. Therefore, we recommend all sites update to this release as soon as possible.

Solution: 

Install the latest version:

Versions of Drupal 8 prior to 8.9.x are end-of-life and do not receive security coverage.

Reported By: Fixed By: 

Drupal core - Critical - Third-party libraries - SA-CORE-2021-001

Wed, 01/20/2021 - 18:10
Project: Drupal coreDate: 2021-January-20Security risk: Critical 18∕25 AC:Complex/A:User/CI:All/II:All/E:Exploit/TD:UncommonVulnerability: Third-party librariesDescription: 

The Drupal project uses the pear Archive_Tar library, which has released a security update that impacts Drupal. For more information please see:

Exploits may be possible if Drupal is configured to allow .tar, .tar.gz, .bz2, or .tlz file uploads and processes them.

Solution: 

Install the latest version:

Versions of Drupal 8 prior to 8.9.x are end-of-life and do not receive security coverage.

Disable uploads of .tar, .tar.gz, .bz2, or .tlz files to mitigate the vulnerability.

Reported By: Fixed By: