CVE-2021-4231

Angular Comment cross site scripting

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se ha encontrado una vulnerabilidad en Angular versiones hasta 11.0.4/11.1.0-next.2. Ha sido clasificada como problemática. Está afectada la manipulación de los comentarios. La manipulación conlleva a un ataque de tipo cross site scripting. Es posible lanzar el ataque de forma remota, pero podría requerir una autenticación previa. La actualización a versiones 11.0.5 y 11.1.0-next.3 puede abordar este problema. El nombre del parche es ba8da742e3b243e8f43d4c63aa842b44e14f2b09. Es recomendado actualizar el componente afectado

A flaw was found in the angular/core package. Affected versions of this package are vulnerable to Cross-site scripting (XSS) in development, with Server-side rendering (SSR enabled).

*Credits: Miško Hevery

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-05-26 CVE Reserved
2022-05-26 CVE Published
2023-12-17 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (6)

URL	Tag	Source
https://github.com/angular/angular/issues/40136	Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-ANGULARCORE-1070902	Third Party Advisory
https://vuldb.com/?id.181356	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/angular/angular/commit/ba8da742e3b243e8f43d4c63aa842b44e14f2b09	2022-06-07

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-4231	2023-06-15
https://bugzilla.redhat.com/show_bug.cgi?id=2094052	2023-06-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Angular Search vendor "Angular"		Angular Search vendor "Angular" for product "Angular"				< 11.0.5 Search vendor "Angular" for product "Angular" and version " < 11.0.5"		node.js		Affected
Angular Search vendor "Angular"		Angular Search vendor "Angular" for product "Angular"				11.1.0 Search vendor "Angular" for product "Angular" and version "11.1.0"		next_0, node.js		Affected
Angular Search vendor "Angular"		Angular Search vendor "Angular" for product "Angular"				11.1.0 Search vendor "Angular" for product "Angular" and version "11.1.0"		next_1, node.js		Affected
Angular Search vendor "Angular"		Angular Search vendor "Angular" for product "Angular"				11.1.0 Search vendor "Angular" for product "Angular" and version "11.1.0"		next_2, node.js		Affected