CVE-2023-5238: EventPrime < 3.2.0 - Reflected HTML Injection on keyword parameter

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 a parameter before outputting it back in the page, leading to an HTML Injection on the plugin in the search area of the website.

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/47a5fbfd-f47c-4356-8567-b29dadb48423
https://wpscan.com/vulnerability/47a5fbfd-f47c-4356-8567-b29dadb48423

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