Cross-site scripting in Angular - CVE-2026-54265
Published: September 11, 2026
Vulnerability identifier: #VU149011
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-54265
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary JavaScript in the target user\'s browser.
The vulnerability exists due to improper neutralization of input in the @angular/compiler TwoWayProperty operation when processing two-way bindings on sensitive native DOM properties. A remote attacker can supply an unsanitized user-controlled property value to execute arbitrary JavaScript in the target user\'s browser.
Exploitation requires a user to interact with content containing the injected value.
Affected software
Angular
How to mitigate CVE-2026-54265
Install security update from vendor's website.
Angular - addressed in versions 20.3.25, 21.2.17, 22.0.1