Unauthorized Image File Upload in EventPrime Plugin for WordPress
CVE-2026-1657

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Eventprime – Events Calendar, Bookings And Tickets
Vendor
CVE Published:
17 February 2026

What is CVE-2026-1657?

The EventPrime plugin for WordPress is susceptible to a vulnerability that allows unauthorized image file uploads. This security flaw exists in versions up to and including 4.2.8.4, due to improper registration of the upload_file_media AJAX action. It is publicly accessible without necessary authentication or authorization measures in place. Attackers can exploit this flaw to upload malicious images directly to the WordPress uploads directory, potentially compromising the integrity of the Media Library through the ep_upload_file_media endpoint.

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Affected Version(s)

EventPrime – Events Calendar, Bookings and Tickets * <= 4.2.8.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/eventprime-eve...
https://plugins.trac.wordpress.org/browser/eventprime-eve...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tharadol Suksamran
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