#VU27424 Improper access control in LearnPress - WordPress LMS Plugin - CVE-2020-11510

Vulnerability identifier: #VU27424

Vulnerability risk: Medium

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-11510

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LearnPress - WordPress LMS Plugin
Web applications / Modules and components for CMS

Vendor: ThimPress

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in several tasks via AJAX actions that lacked nonce checks and capability checks. A remote authenticated attacker can send a specially crafted request to "wp-admin/admin-ajax.php", publish or trash any existing post or page, or create the default pages, or even set it to a nonexistent status.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LearnPress - WordPress LMS Plugin: 2.2.1 - 3.2.6.8

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External links
https://wpvulndb.com/vulnerabilities/10194/
https://www.wordfence.com/blog/2020/04/high-severity-vulnerabilities-patched-in-learnpress/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.