CVE-2026-42687
HighCVSS 8.1Exploitation Probability (EPSS)
Low risk23th percentile - higher than 23% of all known CVEs
Summary
There is a vulnerability in EventPrime versions up to 4.3.2.1 that allows unauthenticated PHP object injection.
Risk Assessment
An attacker could exploit this vulnerability to execute unauthorized code, potentially leading to serious security breaches.
Recommendation
It is recommended to upgrade to the latest version of EventPrime to mitigate this vulnerability.
Other vulnerabilities in EventPrime
See all- CVE-2026-42686High
There is a Cross Site Scripting (XSS) vulnerability affecting subscribers in EventPrime versions <= 4.3.2.1.
- CVE-2026-39518High
Versions of EventPrime <= 4.3.0.0 have a vulnerability related to Insecure Direct Object References (IDOR). This allows subscribers to access data they should not have permission to.
- CVE-2026-42669High
Missing Authorization vulnerability in EventPrime allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects EventPrime: from n/a through 4.3.2.0.
- CVE-2025-63007Medium
Vulnerability in the EventPrime plugin allows insertion of sensitive information into sent data, enabling an attacker to retrieve embedded sensitive data.
- CVE-2025-63006Medium
The EventPrime plugin for WordPress has an authorization vulnerability that allows exploiting incorrectly configured access control security levels. Affects versions up to and including 4.2.4.1.
- CVE-2025-12498Medium
The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized booking note creation due to a missing capability check on the 'booking_add_notes' function in all versions up to, and including, 4.2.0.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add a note to the backend view of any booking.
Original NVD description (English source)
Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS