CVSS 3.1 Score 5.4 of 10 (medium)


Published Sep 8, 2023
Updated: Sep 13, 2023


CVE-2023-41318 is a vulnerability affecting matrix-media-repo, a multi-domain media repository for the Matrix chat ecosystem. Attackers can exploit this vulnerability by uploading a malicious media file that is served with `Content-Disposition: inline` upon download. This can allow the execution of scripts embedded in SVG content. The issue has been fixed in version 1.3.0 with commits 77ec235 and bf8abdd. It is recommended for operators to upgrade to v1.3.0 promptly, but if unable to do so, overriding the `Content-Disposition` header can serve as a temporary workaround. The vulnerability poses a medium risk with a base severity score of 5.4 according to NIST's National Vulnerability Database (NVD).

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