Cross-site scripting in Angular - CVE-2026-27970
Published: February 26, 2026
Vulnerability identifier: #VU123274
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2026-27970
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Google
Affected software:
Angular
Angular
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the Angular internationalization (i18n) pipeline. A remote attacker can pass specially crafted ICU messages to the application and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
How to mitigate CVE-2026-27970
Install updates from vendor's website.