XSS in Angular
CVE-2026-27970
Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Versions prior to 21.2.0, 21.1.16, 20.3.17, and 19.2.19 have a cross-Site scripting vulnerability in the An…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Angular — versions >= 19.0.0-next.0, < 19.2.19, >= 21.0.0-next.0, < 21.1.6, <= 18.2.14
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-27970?
- CVE-2026-27970 is a medium-severity vulnerability in Angular, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-26.
- How severe is CVE-2026-27970?
- Medium severity. CVSS v3 base score is 6.1 out of 10.