CVE-2026-13443
MEDIUM
6.4
CVSS 3.1
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.
Affected WordPress components
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Tutor LMS – eLearning and online course solution Plugin · tutorUp to and including 3.9.13View on WordPress.org
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Tutor Theme · tutorUp to and including 3.9.13View on WordPress.org
A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.
Affected products and versions
- themeum Tutor LMS – eLearning and online course solution — Up to and including 3.9.13
References
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.13/classes/Utils.php#L1688
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.13/classes/Utils.php#L1720
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.13/templates/global/attachments.php#L34
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.9/classes/Utils.php#L1688
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.9/classes/Utils.php#L1720
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.9/templates/global/attachments.php#L34
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3590029%40tutor&new=3590029%40tutor&sfp_email=&sfph_mail=
- www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/7483762c-5356-4844-90a9-511d9ec48625?source=cve
- nvd.nist.gov Official NVD record