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CVE-2025-66412

CVE-2025-66412 · Angular Stored XSS Vulnerability via SVG Animation, SVG URL and MathML Attributes

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 8.5 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: system · node

Affected products and versions

  • angular

    Versions
    • >= 21.0.0-next.0 < 21.0.2: Affected
    • >= 20.0.0-next.0 < 20.3.15: Affected
    • >= 19.0.0-next.0 < 19.2.17: Affected
    • <= 18.2.14: Affected

    No fix published

  • @angular/compiler npm

    Affected ranges
    • SEMVER: ≥ 21.0.0-next.0, < 21.0.2

    Update to 21.0.2

  • @angular/compiler npm

    Affected ranges
    • SEMVER: ≥ 20.0.0-next.0, < 20.3.15

    Update to 20.3.15

  • @angular/compiler npm

    Affected ranges
    • SEMVER: ≥ 19.0.0-next.0, < 19.2.17

    Update to 19.2.17

  • @angular/compiler npm

    Affected ranges
    • SEMVER: ≤ 18.2.14

    No fix published

  • angular.js Ubuntu:Pro:16.04:LTS

    Versions
    • 1.2.28-1ubuntu2
    • 1.2.28-1ubuntu2+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • angular.js Ubuntu:Pro:18.04:LTS

    Versions
    • 1.5.10-1
    • 1.5.10-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • angular.js Ubuntu:Pro:20.04:LTS

    Versions
    • 1.5.10-1
    • 1.7.9-1
    • 1.7.9-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • angular.js Ubuntu:22.04:LTS

    Versions
    • 1.8.2-2
    • 1.8.2-2ubuntu0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • angular.js Ubuntu:24.04:LTS

    Versions
    • 1.8.3-1
    • 1.8.3-1ubuntu0.24.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • angular.js Ubuntu:25.10

    Versions
    • 1.8.3-1
    • 1.8.3-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • angular.js Ubuntu:26.10

    Versions
    • 1.8.3-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • angular.js Ubuntu:26.04:LTS

    Versions
    • 1.8.3-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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