CVE-2026-39518

WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Object References (IDOR) vulnerability

7.1 High

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: Low
Availability: None

Exploit likelihood

0.28%Unchanged since Jun 16, 2026

What each source reports

CVE List Score used 7.1

WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Object References (IDOR) vulnerability

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

Record: CVE-2026-39518
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

EUVDEUVD-2026-36955 7.1

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

Record: EUVD-2026-36955
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-fgrh-26m2-w86v 7.1

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

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

Record: GHSA-fgrh-26m2-w86v
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

NVD 7.1

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

Record: CVE-2026-39518
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-39518 is a high vulnerability (CVSS 7.1) in Eventprime, published June 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.