CVE-2026-34568: CI4MS: Blogs Posts Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
(updated )
The application fails to properly sanitize user-controlled input when creating or editing blog posts. An attacker can inject a malicious JavaScript payload into blog post content, which is then stored server-side.
This stored payload is later rendered unsafely in multiple application views without proper output encoding, leading to stored cross-site scripting (XSS).
References
Code Behaviors & Features
Detect and mitigate CVE-2026-34568 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →