High severity · published Jun 15, 2026
CVE-2026-39518
WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Object References (IDOR) vulnerability
7.1
CVSS
0.3%
EPSS
No
On KEV
Description
Subscriber Insecure Direct Object References (IDOR) in EventPrime <= 4.3.0.0 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EV
EventPrime · EventPrime
through 4.3.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-39518
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-39518
patchstack.com
https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-0-0-insecure-direct-object-references-idor-vulnerability?_s_id=cve
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