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SCA: security update for github.com/mattermost/mattermost-server/v5 (GHSA-hv5f-73mr-7vvj)

medium Tenable Cloud Security Plugin ID 415945

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-
 assisted attacker to inject arbitrary web script in product deployments that explicitly disable the
 default CSP. (CVE-2021-37860)

See Also

https://github.com/advisories/GHSA-hv5f-73mr-7vvj

Plugin Details

Severity: Medium

ID: 415945

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 8.67

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2021-37860

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/23/2021

Vulnerability Publication Date: 9/22/2021

Reference Information

CVE: CVE-2021-37860

cwe: CWE-79