CVE-2026-13443

MEDIUM

Tutor LMS <= 3.9.13 - Authenticated (Author+) Stored Cross-Site Scripting via Lesson Attachment Title

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-13443. PoCs published by HermesNA-1.

AI-analyzed exploit summary This repository contains an auto-generated stub module for CVE-2026-13443, a stored XSS vulnerability in the Tutor LMS WordPress plugin (versions ≤ 3.9.13). The code includes metadata, references, and a placeholder `run()` method but lacks actual exploit implementation.

Description

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Lesson Attachment Title in all versions up to, and including, 3.9.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Exploits (1)

github STUB 1 stars
by HermesNA-1 · pythonpoc
https://github.com/HermesNA-1/SnakeSploit/tree/main/data/modules_generated/cve-2026-13443_the_tutor_lms.py

This repository contains an auto-generated stub module for CVE-2026-13443, a stored XSS vulnerability in the Tutor LMS WordPress plugin (versions ≤ 3.9.13). The code includes metadata, references, and a placeholder `run()` method but lacks actual exploit implementation.

Classification
Stub 99%
Attack Type
Xss
Complexity
Moderate
Reliability
Theoretical
Target: Tutor LMS – eLearning and online course solution plugin for WordPress (versions up to and including 3.9.13)
No auth needed
Prerequisites: Access to a WordPress site with a vulnerable version of Tutor LMS installed · Ability to create or modify lesson attachments with crafted titles
mistral-large-3 · analyzed Jul 09, 2026 Full analysis →

Scores

CVSS v3 6.4
EPSS 0.0020
EPSS Percentile 10.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
themeum/Tutor LMS – eLearning and online course solution < 3.9.13
Published Jul 01, 2026
Tracked Since Jul 01, 2026