{"id":"BIT-mattermost-2024-1952","details":"Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts' contents in channels they are not a member of.","aliases":["CVE-2024-1952","GHSA-r4fm-g65h-cr54","GO-2024-2635"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-12-16T07:16:11.802Z","database_specific":{"cpes":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-1952"}],"affected":[{"package":{"name":"mattermost","ecosystem":"Bitnami","purl":"pkg:bitnami/mattermost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.1.0"},{"fixed":"8.1.9"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mattermost/BIT-mattermost-2024-1952.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}],"schema_version":"1.7.3"}