CVE-2023-47865GHSA-JJ46-9CGH-QMFX
Username and Icon override can be used by members when Hardened Mode is enabled
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 8.1.4, 7.8.13
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
Timeline
- CVE published
- Record last updated
Affected versions
- Mattermost Mattermost
through 8.1.3; through 7.8.12
- github.com/mattermost/mattermost/server/v8Go
fixed in 8.1.4
- github.com/mattermost/mattermost-server/v6Go
fixed in 7.8.13