CVE-2025-66412
BaseFortify
Publication date: 2025-12-01
Last updated on: 2026-02-20
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| angular | angular | to 18.2.14 (inc) |
| angular | angular | From 19.0.0 (inc) to 19.2.17 (exc) |
| angular | angular | From 20.0.0 (inc) to 20.3.15 (exc) |
| angular | angular | From 21.0.0 (inc) to 21.0.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Angular Template Compiler. It happens because the compiler's internal security schema is incomplete and does not properly classify certain URL-holding attributes that could contain malicious javascript: URLs. This allows attackers to bypass Angular's built-in security sanitization and inject malicious scripts into applications.
How can this vulnerability impact me? :
This vulnerability can allow attackers to inject malicious scripts into Angular applications, potentially leading to unauthorized actions, data theft, or compromise of user sessions. It poses a high security risk as it can be exploited remotely with low complexity and may result in significant impact on confidentiality, integrity, and availability of affected applications.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately upgrade Angular to version 21.0.2, 20.3.15, or 19.2.17 or later, as these versions contain the fix for the Stored Cross-Site Scripting (XSS) vulnerability in the Angular Template Compiler.