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CVE-2021-4231

Angular Comment cross site scripting

Published: May 26, 2022Updated: Nov 20, 2025 Sources: CVE List NVD GHSACWE-79
NVD MITRE
3.5CVSSLOW
EPSS Score
1.1%
Top 40.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Angular vulnerable to Cross-site Scripting

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

@angular/corenpmOSS Libraries
Angularunspecified
Mixed
Consumer Software / media-player
angularangular
Library
OSS Libraries / web-framework
angularjsangularjs
Library
OSS Libraries / web-framework
npmpackage-ecosystemOSS Libraries
unspecifiedConsumer Software
angulaross-projectOSS Librariesaka angular-cli
angularjsoss-projectOSS Librariesaka angular.js

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2021-4231
nvd.nist.gov
https://github.com/angular/angular/issues/40136
github.com
https://github.com/angular/angular/commit/0aa220bc0000fc4d1651ec388975bbf5baa1da36
github.com
and 5 more references View all →

Timeline

Published
May 26, 2022
Last Updated
Nov 20, 2025

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