Mattermost up to 5.38 Clipboard cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

A vulnerability was found in Mattermost up to 5.38. It has been classified as problematic. This affects an unknown functionality of the component Clipboard 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 shared 09/23/2021. This vulnerability is uniquely identified as CVE-2021-37860 since 08/02/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 5.39.0 eliminates this vulnerability.

Productinfo

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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: 3.6
VulDB Meta Temp Score: 3.5

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

CNA Base Score: 3.7
CNA Vector (Mattermost, Inc.): 🔍

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
ATT&CK: T1059.007

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: Mattermost 5.39.0

Timelineinfo

08/02/2021 🔍
09/23/2021 +52 days 🔍
09/23/2021 +0 days 🔍
04/14/2023 +568 days 🔍

Sourcesinfo

Advisory: mattermost.com
Status: Confirmed

CVE: CVE-2021-37860 (🔍)

Entryinfo

Created: 09/23/2021 05:35
Updated: 04/14/2023 15:10
Changes: 09/23/2021 05:35 (45), 10/01/2021 11:46 (2), 04/14/2023 15:10 (10)
Complete: 🔍

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