# CVE-2026-111407: Themeum Tutor LMS stored cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-111407-improper-neutralization-of-input-during-web-page-generation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-19. Updated: 2026-10-19  
License: CC BY 4.0 with a link back

CVE-2026-111407 · Severity: medium · CVSS 6.5 · Published 2026-10-19

Tutor LMS is a WordPress learning management system plugin used to create and manage online courses. The plugin contains a stored cross-site scripting (XSS) vulnerability that allows an attacker with subscriber privileges to inject malicious scripts. When other users visit affected pages, their sessions could be hijacked, their data stolen, or malware delivered to their browsers.

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

## Quick answers

**Is CVE-2026-111407 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-111407 being exploited in the wild.

**How severe is CVE-2026-111407?** Medium severity, with a CVSS score of 6.5, published 19 October 2026.

**Which products and versions are affected?** Themeum Tutor LMS through 4.1.2.

**Is there a fix for CVE-2026-111407?** Yes: fixed in 4.1.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-111407 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-111407?** Check whether you run Themeum 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 4.1.3

## Technical details

A stored XSS vulnerability exists in Tutor LMS due to improper neutralization of user input during web page generation. The vulnerability requires a subscriber-level privilege and user interaction (such as visiting a crafted page or clicking a link) to be exploited. Attackers can inject persistent malicious scripts into the site that execute in the context of other users' sessions.

## Affected products

- Themeum Tutor LMS through 4.1.2

## Timeline

- 2026-10-19: disclosed
- 2026-10-17: advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/tutor/vulnerability/wordpress-tutor-lms-plugin-4-1-2-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/tutor/vulnerability/wordpress-tutor-lms-plugin-4-1-2-cross-site-scripting-xss-vulnerability?_s_id=cve)

## Related threats

- [Tutor LMS insecure direct object reference in API routing](https://junglewise.ai/threats/cve-2026-93779-the-tutor-lms-elearning-and-online-course-solution-plugin-for)
- [Tutor LMS insecure direct object reference in course update](https://junglewise.ai/threats/cve-2026-92715-the-tutor-lms-elearning-and-online-course-solution-plugin-for)
- [Tutor LMS stored cross-site scripting via display_name](https://junglewise.ai/threats/cve-2026-93681-the-tutor-lms-elearning-and-online-course-solution-plugin-for)
- [Themeum Tutor LMS reflected cross-site scripting vulnerability](https://junglewise.ai/threats/cve-2026-42702-improper-neutralization-of-input-during-web-page-generation-cross)
- [Tutor LMS insecure direct object reference in quiz builder](https://junglewise.ai/threats/cve-2026-18439-the-tutor-lms-elearning-and-online-course-solution-plugin-for)