Medium severity · published May 26, 2026
CVE-2026-39655
WordPress Mayosis Core plugin <= 5.4.7 - Broken Access Control vulnerability
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels.
This issue affects Mayosis Core: from n/a through 5.4.7.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
Mayosis Core · TeconceTheme
through 5.4.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-39655
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-39655
patchstack.com
https://patchstack.com/database/wordpress/plugin/mayosis-core/vulnerability/wordpress-mayosis-core-plugin-5-4-7-broken-access-control-vulnerability?_s_id=cve
More from Mayosis Core
7.5
CVE-2025-1565
Mayosis Core <= 5.4.1 - Unauthenticated Arbitrary File Read
7.1
CVE-2026-32333
WordPress Mayosis Core plugin <= 5.4.7 - Reflected Cross Site Scripting (XSS) vulnerability