CVE-2021-37860

MEDIUM
6.1
CVSS Score
Published: September 22, 2021 at 04:40 PM UTC
Updated: June 17, 2026 at 04:01 AM UTC
1 product affected across 1 vendorMattermost

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
https://mattermost.com/security-updates/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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