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CVE-2026-11988

6.5 · MEDIUM

The LearnPress – WordPress LMS Plugin for Create and Sell Online Courses plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.9.1 via the…

Published Jul 1, 2026CWE-639EPSS 0.47%

Overview

CVE-2026-11988 is a medium-severity vulnerability. It was published on July 1, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The LearnPress – WordPress LMS Plugin for Create and Sell Online Courses plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.9.1 via the 'userId' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to view the course enrollment progress and completion data belonging to any instructor or administrator account on the site. This IDOR does not apply when the target user is a regular subscriber, as the guard correctly blocks cross-subscriber access; exploitation is limited to cases where the victim user holds the LP_TEACHER_ROLE or administrator role.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/learnpress/tags/4.2.7.5/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php#L118Refplugins.trac.wordpress.org/browser/learnpress/tags/4.2.7.5/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php#L137Refplugins.trac.wordpress.org/browser/learnpress/tags/4.2.7.5/inc/user/abstract-lp-user.php#L680Refplugins.trac.wordpress.org/browser/learnpress/tags/4.3.9.1/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php#L118Refplugins.trac.wordpress.org/browser/learnpress/tags/4.3.9.1/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php#L137Refplugins.trac.wordpress.org/browser/learnpress/tags/4.3.9.1/inc/user/abstract-lp-user.php#L680Refplugins.trac.wordpress.org/changeset?old_path=%2Flearnpress/tags/4.3.9.1&new_path=%2Flearnpress/tags/4.4.0Refwww.wordfence.com/threat-intel/vulnerabilities/id/6b5e8cfd-989e-4a64-abb0-9daa22df46a4?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-11988?

CVE-2026-11988 is a medium-severity vulnerability. It was published on July 1, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-11988?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-11988?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-11988?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-11988 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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