Angular up to 11.0.4/11.1.0-next.2 on npm Comment cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.48

A vulnerability was found in Angular up to 11.0.4/11.1.0-next.2 on npm (JavaScript Library). It has been classified as problematic. Affected is an unknown function of the component Comment Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The weakness was released 08/24/2021 by Miško Hevery as 40136 as confirmed issue (GitHub). The advisory is shared for download at github.com. The public release was coordinated with the vendor. This vulnerability is traded as CVE-2021-4231. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 11.0.5 or 11.1.0-next.3 eliminates this vulnerability. Applying the patch ba8da742e3b243e8f43d4c63aa842b44e14f2b09 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Further details are available at security.snyk.io.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Angular 11.0.5/11.1.0-next.3
Patch: ba8da742e3b243e8f43d4c63aa842b44e14f2b09

Timelineinfo

08/24/2021 🔍
08/24/2021 +0 days 🔍
05/26/2022 +275 days 🔍

Sourcesinfo

Advisory: 40136
Researcher: Miško Hevery
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2021-4231 (🔍)
Misc.: 🔍

Entryinfo

Created: 08/24/2021 07:57
Updated: 05/26/2022 09:07
Changes: 08/24/2021 07:57 (40), 05/26/2022 09:07 (23)
Complete: 🔍
Submitter: misc

Submitinfo

Accepted

  • Submit #18901: Cross-site Scripting (XSS) in Angular versions <11.0.5 || >=11.1.0-next.0 <11.1.0-next.3 (by misc)

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