Medium severity · published Jul 23, 2026
CVE-2026-65463
WordPress Masteriyo - LMS plugin <= 2.3.1 - Insecure Direct Object References (IDOR) vulnerability
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS <= 2.3.1 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ML
Masteriyo - LMS · masteriyo
through 2.3.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-65463
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-65463
patchstack.com
https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-2-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve
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