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 8.8.x ranging from 8.8.0 and up to and including 8.8.12 are vulnerable.
Remediation
Update to Drupal Core version 8.9.13 or latest
References
Related Vulnerabilities
WordPress Plugin Calendar Unspecified Vulnerability (1.3.10)
WordPress Plugin MediaRSS external gallery TimThumb Arbitrary File Upload (0.1)
WordPress Plugin JW Player for Flash & HTML5 Video Cross-Site Request Forgery (2.1.11)
WordPress Plugin IzeeChat-Live Chat Cross-Site Scripting (1.0)
WordPress Plugin Rating-Widget:Star Review System Cross-Site Scripting (2.8.8)