Description
Drupal Core is prone to multiple security bypass vulnerabilities. Exploiting these issues may allow attackers to upload files that bypass the file validation process implemented by modules on the site, or to disclose field data information. Drupal Core versions 8.x.x ranging from 8.0.0 and up to and including 8.8.12 are vulnerable.
Remediation
Update to Drupal Core version 8.9.19 or latest
References
Related Vulnerabilities
WordPress Plugin Enable Media Replace Arbitrary File Upload (4.0.1)
WordPress Plugin Accessibility Suite by Online ADA SQL Injection (2.0.10)
WordPress Plugin Import all XML, CSV & TXT into WordPress Unspecified Vulnerability (3.7.2)
WordPress Plugin dsSearchAgent:WordPress Edition Cross-Site Scripting (1.0-beta10)
WordPress Plugin Name Directory Cross-Site Scripting (1.7.6)