GHSA-2549-xh72-qrpm

ghsaUSosv

Mattermost Improper Validation of Specified Type of Input vulnerability

view advisory published 2025-01-09Licence: CC-BY-4.0

Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-20033US	medium6.5	0.61% (49th)	—	2025-01-09
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysc…

references

External citations — patches, advisories, analysis.

https://github.com/mattermost/mattermostPACKAGE
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2025-20033ADVISORY

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