CVE-2025-46228: WordPress Event post plugin <= 5.9.11 - Cross Site Scripting (XSS) Vulnerability

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-22 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bastien Ho Event post event-post allows DOM-Based XSS.This issue affects Event post: from n/a through <= 5.9.11.

Affected products

Bastien Ho Event post: before 5.10.0 — fixed in 5.10.0

How to fix

Upgrade to a fixed version: Bastien Ho Event post 5.10.0. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/Wordpress/Plugin/event-post/vulnerability/wordpress-event-post-5-9-11-cross-site-scripting-xss-vulnerability?_s_id=cve

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