CVE-2026-27616 — Cross-site Scripting in Vikunja
Severity
7.3HIGHNVD
EPSS
0.1%
top 82.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 25
Latest updateFeb 27
Description
Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, the application allows users to upload SVG files as task attachments. SVG is an XML-based format that supports JavaScript execution through elements such as tags or event handlers like onload. The application does not sanitize SVG content before storing it. When the uploaded SVG file is accessed via its direct URL, it is rendered inline in the browser under the application's origin. As a result, embedded Java…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:NExploitability: 2.1 | Impact: 5.2
Affected Packages3 packages
🔴Vulnerability Details
3OSV▶
Vikunja: Stored XSS via Unsanitized SVG Attachment Upload Leads to Token Exposure in code.vikunja.io/api↗2026-02-27