Description
Drupal Core is prone to an arbitrary file overwrite vulnerability. This can be coupled with other existing vulnerabilities to affect the vulnerable application in various ways. Drupal Core versions 8.x.x ranging from 8.0.0 and up to and including 8.7.14 are vulnerable.
Remediation
Update to Drupal Core version 8.9.13 or latest
References
Related Vulnerabilities
Jenkins CVE-2015-7538 Vulnerability (CVE-2015-7538)
phpMyAdmin Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2012-5159)
WordPress 3.7.x Cross-Domain Flash Injection Vulnerability (3.7 - 3.7.24)
WordPress Plugin Integration for Contact Form 7 and ActiveCampaign Cross-Site Scripting (1.0.3)