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EventPrime <= 4.0.3.2 — Missing Authorization via calendar_event_create()

CVE-2024-43223Published · Updated

Action summary

Affected: ≤4.0.3.2Update to 4.0.4.0 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

EventPrime – Events Calendar, Bookings, Tickets & AI eventprime-event-calendar-management

  1. Affected≤ 4.0.3.2
  2. Patched in4.0.4.0

Update to 4.0.4.0 or newer.

You are affected if you run ≤ 4.0.3.2. Version 4.0.4.0 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under EventPrime – Events Calendar, Bookings, Tickets & AI.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 4.0.4.0, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch EventPrime – Events Calendar, Bookings, Tickets & AI to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Trương Hữu Phúc (truonghuuphuc).

The EventPrime plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the calendar_event_create() function in versions up to, and including, 4.0.3.2. This makes it possible for authenticated attackers, with subscriber-level access and above, to create calendar events.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in EventPrime – Events Calendar, Bookings, Tickets & AI

All 47
More vulnerabilities in EventPrime – Events Calendar, Bookings, Tickets & AI
SeverityVulnerabilityCVEPublished
Medium5.3Missing Authorization
<4.3.6.1Update to 4.3.6.1
CVE-2026-118523
Medium4.3Missing Authorization
≤4.3.6.0Update to 4.3.6.1
CVE-2026-42691
High7.2Unauthenticated Stored Cross-Site Scripting via 'new_event_type_background_color' Parameter
≤4.3.4.2Update to 4.3.4.3
CVE-2026-13441
High7.5Authenticated (Subscriber+) PHP Object Injection
≤4.3.4.1Update to 4.3.4.2
CVE-2026-56053
High8.1Unauthenticated PHP Object Injection
≤4.3.2.1Update to 4.3.2.2
CVE-2026-42687

Same weakness (Missing Authorization)

All Missing Authorization
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CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
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CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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