Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.
2024-02-29T11:15:07.290
2024-12-13T17:06:52.710
Analyzed
CVSSv3.1: 4.3 (MEDIUM)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mattermost | mattermost_server | < 8.1.9 | Yes |
Application | mattermost | mattermost_server | < 9.2.5 | Yes |
Application | mattermost | mattermost_server | 9.3.0 | Yes |