GHSA-63f2-6959-2pxj

ghsaUSosv

Mattermost vulnerable to cross-site scripting (XSS)

view advisory published 2023-03-31Licence: CC-BY-4.0

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file. [Issue Identifier](https://mattermost.com/security-updates/): MMSA-2023-00139

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2023-1776US	medium5.4	0.45% (39th)	—	2023-03-31
Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

references

External citations — patches, advisories, analysis.

https://github.com/mattermost/mattermost-serverPACKAGE
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2023-1776ADVISORY

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan