CVE-2026-42687

Name: CVE-2026-42687
Creator: NVD / NIST
Published: 2026-06-15T21:16:56.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2026-42687 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.32%

23.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

References

https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-2-1-php-object-injection-vulnerability?_s_id=cve

Timeline

Published: Jun 15, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-42687?

Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.

How severe is CVE-2026-42687?

CVE-2026-42687 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42687?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42687?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST