CVE-2026-113353 (CVSS 5.4)

Description

LearnPress before 4.4.10 contains a missing authorization vulnerability in the admin_course_editor, admin_quiz_editor and admin_question_editor lp-ajax actions, allowing instructors to modify other instructors' content. Authenticated instructors can reuse their own generic editor nonce with another object's id parameter to alter courses, change quiz answers, and trash questions.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

EPSS — Exploit Prediction

0.0029

Probability of exploitation

0.21%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

References

Other References

https://github.com/LearnPress/learnpress/commit/77087dcdc0e974e8d0844453b4071189fc2c70d2 https://learnpresslms.com/changelog/ https://plugins.svn.wordpress.org/learnpress/tags/4.4.9.1/inc/admin/class-lp-admin-ajax.php https://plugins.svn.wordpress.org/learnpress/tags/4.4.9.1/inc/admin/editor/class-lp-admin-editor-course.php https://wordpress.org/plugins/learnpress/ https://www.vulncheck.com/advisories/learnpress-before-4.4.10-missing-authorization-via-legacy-editor-ajax-handlers

Frequently Asked Questions

What is CVE-2026-113353? +

LearnPress before 4.4.10 contains a missing authorization vulnerability in the admin_course_editor, admin_quiz_editor and admin_question_editor lp-ajax actions, allowing instructors to modify other instructors' content. Authenticated instructors can reuse their own generic editor nonce with another object's id parameter to alter courses, change quiz answers, and trash questions. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-113353? +

CVE-2026-113353 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0029, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-113353? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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