CVE-2023-1776: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

March 31, 2023 (updated April 7, 2023)

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

github.com/advisories/GHSA-63f2-6959-2pxj
mattermost.com/security-updates/
nvd.nist.gov/vuln/detail/CVE-2023-1776

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