Medium severity · published Jun 15, 2026
CVE-2026-42743
WordPress Masteriyo - LMS plugin <= 2.1.8 - Broken Authentication vulnerability
6.5
CVSS
0.1%
EPSS
No
On KEV
Description
Unauthenticated Broken Authentication in Masteriyo - LMS <= 2.1.8 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ML
Masteriyo - LMS · ThemeGrill
through 2.1.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42743
patchstack.com
https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-2-1-8-broken-authentication-vulnerability?_s_id=cve
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