CSRF in Mattermost
CVE-2023-45316
Mattermost fails to validate if a relative path is passed in /plugins/playbooks/api/v0/telemetry/run/<telem_run_id> as a telemetry run ID, allowing an attacker to use a path traversal payload that points to a different endpoint leading to a CSRF attack.
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.003 (23.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H.
Affected products
- Mattermost — versions 0, 8.1.6, 9.0.4
- Mattermost Mattermost_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- responsibledisclosure@mattermost.com (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-45316?
- CVE-2023-45316 is a high-severity vulnerability in Mattermost, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.3/10. Published 2023-12-12.
- How severe is CVE-2023-45316?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2023-45316 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.