GHSA-99RQ-75J6-5J9F SiYuan: Stored and reflected XSS in SiYuan through an SVG sanitizer bypass

Summary SiYuan cleans user supplied SVG with util.SanitizeSVG before it serves the file inline as image/svg+xml. This cleaner is the guard behind the Editor.AllowSVGScript setting, which is off by default, so a inside an SVG is meant to be removed. The cleaner reads the input as HTML, but the...