What is CVE-2021-4231?

CVE-2021-4231 is a low-severity vulnerability in Angular, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2022-05-26.

How severe is CVE-2021-4231?

Low severity. CVSS v3 base score is 3.5 out of 10.

XSS in Angular

CVE-2021-4231

A vulnerability was found in Angular up to 11.0.4/11.1.0-next.2. It has been classified as problematic. Affected is the handling of comments. The manipulation leads to cross site scripting. It is possible to launch the attack remotely but it might require an authentication first. Upgrading to version 11.0.5 and 11.1.0-next.3 is able to address this issue. The name of the patch is ba8da742e3b243e8f43d4c63aa842b44e14f2b09. It is recommended to upgrade the affected component.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Angular — versions 11.1.0
Angularjs
Unspecified Angular — versions 11.0.0, 11.0.1, 11.0.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cna@vuldb.com (Third Party Advisory, x_refsource_MISC)
cna@vuldb.com (Patch, Third Party Advisory, x_refsource_MISC)
cna@vuldb.com (Third Party Advisory, x_refsource_MISC)
cna@vuldb.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-4231?: CVE-2021-4231 is a low-severity vulnerability in Angular, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2022-05-26.
How severe is CVE-2021-4231?: Low severity. CVSS v3 base score is 3.5 out of 10.