CVE-2023-4108

CVE-2023-4108 is a medium-severity vulnerability in Mattermost with a CVSS 3.x base score of 4.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Description

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

Frequently asked questions

What is CVE-2023-4108?
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged
How severe is CVE-2023-4108?
CVE-2023-4108 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-4108 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4108?
CVE-2023-4108 affects Mattermost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4108?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4108 published?
CVE-2023-4108 was published on 2023-08-11 and last updated on 2026-06-17.

References

Affected products (1)

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