5.4

CVE-2026-35600

Exploit

Vikunja has HTML Injection via Task Titles in Overdue Email Notifications

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, task titles are embedded directly into Markdown link syntax in overdue email notifications without escaping Markdown special characters. When rendered by goldmark and sanitized by bluemonday (which allows <a> and <img> tags), injected Markdown constructs produce phishing links and tracking pixels in legitimate notification emails. This vulnerability is fixed in 2.3.0.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Vikunja ≫ Vikunja Version < 2.3.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.092
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 5.4 2.3 2.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0
Release Notes
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-45q4-x4r9-8fqj
Vendor Advisory
Exploit
https://github.com/go-vikunja/vikunja/pull/2580
Issue Tracking
https://github.com/go-vikunja/vikunja/commit/0f3730d045f20e261e3cdfc6d93c325653395b64
Patch