CVE-2025-32391

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.3, a malicious SVG file uploaded to HedgeDoc results in the possibility of XSS when opened in a new tab instead of the editor itself. The XSS is possible by exploiting the JSONP capabilities of GitHub...

CVE-2025-32391

HedgeDoc has a vulnerability (CVE-2025-32391) up to version 1.10.2 where uploading a malicious SVG can trigger cross-site scripting when the file is opened in a new tab, via the GitHub Gist JSONP embedding feature. The issue affects instances using the local filesystem upload backend or configura...

CVE-2025-32391 HedgeDoc allows XSS possibility through malicious SVG uploads

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.3, a malicious SVG file uploaded to HedgeDoc results in the possibility of XSS when opened in a new tab instead of the editor itself. The XSS is possible by exploiting the JSONP capabilities of GitHub...

CVE-2025-32391 HedgeDoc allows XSS possibility through malicious SVG uploads

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.3, a malicious SVG file uploaded to HedgeDoc results in the possibility of XSS when opened in a new tab instead of the editor itself. The XSS is possible by exploiting the JSONP capabilities of GitHub...