Permissions, Privileges, and Access Controls in LearnPress - WordPress LMS Plugin - CVE-2020-11511
Published: April 29, 2020 / Updated: November 25, 2021
Vulnerability identifier: #VU27425
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-11511
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the "LP Instructor" role grants the "unfiltered_html" capability. A remote attacker can send a specially crafted request to "wp-admin/admin-post.php" with the "action" parameter set to "accept-to-be-teacher" and the "user_id" parameter set to the ID of the user and elevate the permissions of a user of their choice.
Affected software
LearnPress - WordPress LMS Plugin
How to mitigate CVE-2020-11511
Install updates from vendor's website.
LearnPress - WordPress LMS Plugin - update to 3.2.6.9