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CVE-2021-4231 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:3.5 LOWVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/angular/angular/commit/ba8da742e3b243e8f43d4c63aa842b44e14f2b09	CVE	PatchThird Party Advisory
https://github.com/angular/angular/issues/40136	CVE	Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-ANGULARCORE-1070902	CVE	Third Party Advisory
https://vuldb.com/?id.181356	CVE	Third Party Advisory
https://github.com/angular/angular/commit/ba8da742e3b243e8f43d4c63aa842b44e14f2b09	[email protected]	PatchThird Party Advisory
https://github.com/angular/angular/issues/40136	[email protected]	Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-ANGULARCORE-1070902	[email protected]	Third Party Advisory
https://vuldb.com/?id.181356	[email protected]	Third Party Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
angular angular	11.1.0 next0 11.1.0 next1 11.1.0 next2
CPE cpe:2.3:a:angular:angular:11.1.0:next0:::::: cpe:2.3:a:angular:angular:11.1.0:next1:::::: cpe:2.3:a:angular:angular:11.1.0:next2:::::: Remediation No remediation found in references.
angularjs angularjs	< 11.0.5
CPE cpe:2.3:a:angularjs:angularjs:::::::: Remediation No remediation found in references.

Change History

12 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 20, 2025	CPE Deprecation Remap	[email protected]
Nov 20, 2025	CPE Deprecation Remap	[email protected]
Nov 20, 2025	CPE Deprecation Remap	[email protected]
Nov 20, 2025	CPE Deprecation Remap	[email protected]
Nov 20, 2025	CPE Deprecation Remap	[email protected]
Nov 20, 2025	CPE Deprecation Remap	[email protected]
Nov 20, 2025	CPE Deprecation Remap	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 7, 2022	Initial Analysis	[email protected]