GHSA-hwjf-4667-gqwx

ghsaUSosv

Mattermost allows attackers access to posts in channels they are not a member of

view advisory published 2024-02-29Licence: CC-BY-4.0

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.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-1942USmedium4.3—
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 authen…
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references

External citations — patches, advisories, analysis.

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