WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injection vulnerability
Priority LOW 37CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00317 24th 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
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-42687
- 2026-10-03 Alias added: GHSA-cr5x-4xrc-3jfr
More Metagauss vulnerabilities
- 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
Sources
- CVE-2026-42687 · CVE Program
- CVE-2026-42687 · NVD
- FIRST EPSS
- GHSA-cr5x-4xrc-3jfr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences