CVE-2023-7113

MEDIUM
6.1
CVSS Score
Published: December 29, 2023 at 12:46 PM UTC
Updated: June 17, 2026 at 06:52 AM UTC
2 products affected across 1 vendorMattermost ServerMattermost

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.3%

Description

Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.

Affected

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

v < 8.1.7
Affected range stops below 8.1.7, so it looks safe — our inference, not a vendor statement
v ≤ 8.1.6v ≤ 9.2.0
Vendor states this is fixed in 8.1.7 (unaffected)
Vendor states this is fixed in 9.2.0 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

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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