Medium severity · published Aug 6, 2026
CVE-2026-66451
WordPress WP Event SOlution plugin <= 4.1.9 - Broken Authentication vulnerability
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Unauthenticated Broken Authentication in WP Event SOlution <= 4.1.9 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)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
WP Event SOlution · Arraytics
through 4.1.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66451
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66451
patchstack.com
https://patchstack.com/database/wordpress/plugin/wp-event-solution/vulnerability/wordpress-wp-event-solution-plugin-4-1-9-broken-authentication-vulnerability?_s_id=cve
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