High
angular.js — security advisory
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.
- Products
- angular.js
- Affected versions
- 1.2.28-1ubuntu2, 1.2.28-1ubuntu2+esm1, 1.5.10-1, 1.5.10-1ubuntu0.1~esm1, 1.7.9-1, 1.7.9-1ubuntu0.1~esm1, 1.8.2-2, 1.8.2-2ubuntu0.1, 1.8.3-1, 1.8.3-1ubuntu0.24.04.1, 1.8.3-3
- Fixed versions
- Not specified
- CVEs
- CVE-2025-66412
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:48 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2025-66412
angular.js
Fixed versions: Not specified
angular.js
Fixed versions: Not specified
angular.js
Fixed versions: Not specified
angular.js
Fixed versions: Not specified
angular.js
Fixed versions: Not specified
angular.js
Fixed versions: Not specified
angular.js
Fixed versions: Not specified
angular.js
Fixed versions: Not specified
Complete source record
{
"id": "24c370112034d69fc3fb63b6db22cb83fc3ce68e9159321c77e638b24dc8e258",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-66412",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2025-66412",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2025-66412",
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"evidence": "/affected/0/versions"
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{
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"severity": "high",
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"aliases": [
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"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
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{
"type": "Ubuntu",
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"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
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"1.5.10-1ubuntu0.1~esm1"
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},
"versions": [
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"1.7.9-1",
"1.7.9-1ubuntu0.1~esm1"
],
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"modified": "2026-10-17T12:57:27.989424904Z",
"provider": "osv",
"upstream": [
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"references": [
"https://ubuntu.com/security/CVE-2025-66412",
"https://www.cve.org/CVERecord?id=CVE-2025-66412",
"https://github.com/angular/angular/security/advisories/GHSA-v4hv-rgfq-gp49",
"https://github.com/angular/angular/commit/1c6b0704fb63d051fab8acff84d076abfbc4893a"
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"source_id": "core-osv",
"document_id": 357548,
"published_at": "2025-12-01T23:15:00+00:00"
}