# CVE-2026-85570: Tutor LMS WordPress plugin quiz answer disclosure

Source: https://junglewise.ai/threats/cve-2026-85570-the-tutor-lms-wordpress-plugin-before-4-2-0-does-not-prevent-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-05. Updated: 2026-11-05  
License: CC BY 4.0 with a link back

CVE-2026-85570 · Severity: info · Published 2026-11-05

Tutor LMS is a WordPress learning management system plugin that delivers online courses and quizzes. The plugin before version 4.2.0 fails to hide correct answers to quiz questions from students viewing the page, allowing any enrolled student to see the answers before submitting their attempt, compromising academic integrity and assessment validity.

Technologies: [Tutor LMS](https://junglewise.ai/threats/technologies/tutor-tutor-lms). Vendors: [Tutor](https://junglewise.ai/threats/vendors/tutor).

## Quick answers

**Is CVE-2026-85570 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-85570 being exploited in the wild.

**How severe is CVE-2026-85570?** Informational severity, published 5 November 2026.

**Which products and versions are affected?** Tutor LMS 1.6.4 to 4.1.3.

**Is there a fix for CVE-2026-85570?** Yes: fixed in 4.2.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-85570 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-85570?** Check whether you run Tutor LMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 4.2.0

## Technical details

The plugin fails to properly respect its own settings for answer visibility and includes correct answers in the HTML of the quiz page served to students. Any authenticated user with student enrollment can view the page source or DOM to extract answers before submitting their attempt. This is a sensitive data disclosure vulnerability (CWE-200) affecting the quiz assessment mechanism.

## Affected products

- Tutor Tutor LMS 1.6.4 to 4.1.3

## Timeline

- 2026-11-02: disclosed
- 2026-11-02: patched: version 4.2.0 released

## References

- [https://wpscan.com/vulnerability/797ac2aa-50f8-4abd-8ec0-96254b1fe13c/](https://wpscan.com/vulnerability/797ac2aa-50f8-4abd-8ec0-96254b1fe13c/)

## Related threats

- [Tutor LMS DOM-based XSS in redirect_url parameter](https://junglewise.ai/threats/cve-2026-88963-the-tutor-lms-elearning-and-online-course-solution-plugin-for)
- [Tutor LMS WordPress plugin arbitrary post reparenting via IDOR](https://junglewise.ai/threats/cve-2026-85571-the-tutor-lms-wordpress-plugin-before-4-1-1-does-not-verify-that)