cve.bz

CVE-2023-47168

6.1 mediumEPSS 0.4%

Medium (6.1) in mattermost mattermost. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 8.1.4, 9.0.2, 9.1.1.

Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=

Severity

CVSS 3.1

6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE
CWE-601
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-4ghx-8jw8-p76qGogithub.com/mattermost/mattermost/server/v8>=9.1.0 <9.1.19.1.1
GHSA-4ghx-8jw8-p76qGogithub.com/mattermost/mattermost/server/v8>=9.0.0 <9.0.29.0.2
GHSA-4ghx-8jw8-p76qGogithub.com/mattermost/mattermost/server/v8<8.1.48.1.4
GHSA-4ghx-8jw8-p76qGogithub.com/mattermost/mattermost-server/v6<7.8.137.8.13

References

Check your stackJSON