What’s Vulnerable › Vulnerabilities

CVE-2023-4108: Audit logging fails to sanitize post metadata

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-11 · updated 2026-06-17
• Weakness: CWE-532

Description

Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged

Affected products

• Mattermost App Framework: from 7.8.0 before 7.8.8; from 7.9.0 before 7.9.6; from 7.10.0 before 7.10.4 — fixed in 7.10.4, 7.8.8, 7.9.6

How to fix

Upgrade to a fixed version: Mattermost App Framework 7.10.4, 7.8.8, 7.9.6. Check the vendor advisory for mitigations.

References

• https://mattermost.com/security-updates
• https://mattermost.com/security-updates

Get alerted when CVE-2023-4108 or the next vulnerability affects your stack