Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 21.0.2, 20.3.15, and 19.2.17, A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the Angular Template Compiler. It occurs because the compiler's internal security schema is incomplete, allowing attackers to bypass Angular's built-in security sanitization. Specifically, the schema fails to classify certain URL-holding attributes (e.g., those that could contain javascript: URLs) as requiring strict URL security, enabling the injection of malicious scripts. This vulnerability is fixed in 21.0.2, 20.3.15, and 19.2.17.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Red Hat Jboss Eap | — | — | Dec 8, 2025 | Dec 1, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 1, 2025 |
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