Read the docs
TI-2026-28492 Aliases CVE-2026-39518GHSA-fgrh-26m2-w86v

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

Priority LOW 31CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00278 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MetagaussEventPrimeup to 4.3.0.0—No fix listedCNA
  • EventPrime VendorMetagauss Affected up to 4.3.0.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39518
  2. 2026-10-03 Alias added: GHSA-fgrh-26m2-w86v

References

  • TI-2023-00891 ProfileGrid < 5.3.1 - Subscriber+ Arbitrary Password Reset CVSS 3.1HIGH 8.8
  • TI-2021-07144 RegistrationMagic < 5.0.1.6 - Admin+ SQL Injection CVSS 3.1HIGH 7.2
  • TI-2025-05982 Download Plugin <= 2.2.8 - Authenticated (Administrator+) Arbitrary File Upload CVSS 3.1HIGH 7.2
  • TI-2023-03938 EventPrime <= 3.2.9 - Booking Pricing Bypass CVSS 3.1MEDIUM 5.3
  • TI-2024-20215 WordPress ProfileGrid – User Profiles, Memberships, Groups and Communities plugin <= 5.7.8 - SQL Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-04340 EventPrime – Events Calendar, Bookings and Tickets < 3.5.0 - Subscriber+ Arbitrary booking settings update CVSS 3.1MEDIUM 6.4
See all 163 →

Sources