CVE-2025-49321 WordPress Eventin plugin <= 4.0.28 - Cross Site Scripting (XSS) Vulnerability

What is CVE-2025-49321?

CVE-2025-49321 is a high-severity cross-site scripting vulnerability in Arraytics Eventin, published on 27 Jun 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics Eventin wp-event-solution allows Reflected XSS.This issue affects Eventin: from n/a through <= 4.0.28.

Weakness: CWE-79

Which versions are affected by CVE-2025-49321?

It affects 1 product.

Products include Themewinter Eventin.

How do I fix CVE-2025-49321?

No fix has been published for CVE-2025-49321 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-49321 being exploited?

There is no known exploitation of CVE-2025-49321 in the wild and no public exploit code.

Other vulnerabilities in Arraytics Eventin

• CVE-2025-47539 WordPress Eventin plugin <= 4.0.26 - Privilege Escalation Vulnerability Critical 9.8
• CVE-2025-4796 Eventin <= 4.0.34 - Authenticated (Contributor+) Privilege Escalation via User Email Change/Account Takeover High 8.8
• CVE-2025-1770 Path traversal in Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) High 8.8
• CVE-2024-7149 Path traversal in Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) High 8.8
• CVE-2025-47445 WordPress Eventin plugin <= 4.0.26 - Arbitrary File Download Vulnerability High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9p3x-45jf-4qjg.