CVE-2023-4250: EventPrime < 3.2.0 - Reflected XSS

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-10-31 · updated 2026-06-17
Weakness: CWE-79

Description

The EventPrime WordPress plugin before 3.2.0 does not sanitise and escape some parameters before outputting them back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Affected products

metagauss EventPrime – Events Calendar, Bookings and Tickets: before 3.2.0 — fixed in 3.2.0

How to fix

Upgrade to a fixed version: metagauss EventPrime – Events Calendar, Bookings and Tickets 3.2.0. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/9c271619-f478-45c3-91d9-be0f55ee06a2
https://wpscan.com/vulnerability/9c271619-f478-45c3-91d9-be0f55ee06a2
https://wpscan.com/vulnerability/9c271619-f478-45c3-91d9-be0f55ee06a2

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