URL Redirection to Untrusted Site ('Open Redirect') Affecting github.com/mattermost/mattermost-server/v6 package, versions <7.8.13
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV6-6094996
- published29 Nov 2023
- disclosed27 Nov 2023
- creditUnknown
Introduced: 27 Nov 2023
CVE-2023-47168 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost-server/v6 to version 7.8.13 or higher.
Overview
github.com/mattermost/mattermost-server/v6 is an open source, private cloud, Slack-alternative.
Affected versions of this package are vulnerable to URL Redirection to Untrusted Site ('Open Redirect') due to the improper validation of a redirect URL parameter, an attacker can manipulate the redirection process to lead users to unintended and potentially malicious websites by providing an invalid custom URL scheme in the /oauth/{service}/mobile_login?redirect_to= endpoint. This is only exploitable if the user clicks on the "Back to Mattermost" button after the invalid custom URL scheme has been provided.