CVE-2026-39518 HIGH

CVE-2026-39518: WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Object References (IDOR) vulnerability

Vendor Eventprime

Product EventPrime

Weakness CWE-639 · IDOR

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Subscriber Insecure Direct Object References (IDOR) in EventPrime <= 4.3.0.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

EventPrime versions up to 4.3.0.0 contain an authorization flaw that allows authenticated users to access sensitive information they should not be able to view. An attacker with a low-privilege account can read confidential data and make limited modifications. The vulnerability requires valid login credentials but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Read sensitive data and make limited changes to the site using a low-privilege account.

Potential impact on your site

04Site Impact

Unauthorized data exposure and potential data modification by authenticated users with restricted roles.

Conditions required to exploit

05Prerequisites

Attacker must have a valid EventPrime user account with low-level privileges.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39518 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/639.html AskarLabs — CWE-639 write-up Authorization Bypass Through User-Controlled Key

Related vulnerabilities