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WordPress plugin

Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce <= 4.1.23 — Authenticated (Subscriber+) Privilege Escalation via map_meta_cap Filter

CVE-2026-75983Published · Updated

Action summary

Affected: ≤4.1.23Update to 4.1.24 or newer

All remediation steps
Watch plugin
Severity
High7.5
CVSS
7.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:H Attack complexity
High
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-269 Privilege Escalation
Required access
Unknown
Exploit prediction (EPSS)
0.7% chance in 30 days53th percentile
CISA KEV
Not listed
On this page8

Am I affected?

Eventin – Events Calendar, Tickets, Registration, Booking & WooCommerce wp-event-solution

  1. Affected≤ 4.1.23
  2. Patched in4.1.24

Update to 4.1.24 or newer.

You are affected if you run ≤ 4.1.23. Version 4.1.24 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Eventin – Events Calendar, Tickets, Registration, Booking & WooCommerce.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 4.1.24, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Eventin – Events Calendar, Tickets, Registration, Booking & WooCommerce to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Wordfence PRISM.

The Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.1.23. This is due to the `PermissionManager::manage_permissions()` function being registered as a callback on WordPress core's `map_meta_cap` filter and unconditionally returning the always-true `'exist'` primitive for every capability check whenever the evaluated user ID is 1, without scoping this behavior to plugin-specific capabilities. This makes it possible for authenticated attackers whose account is user ID 1, even subscribers, to pass every WordPress capability check, including `manage_options`, `edit_plugins`, `edit_themes`, `promote_users`, and `update_core`, thereby elevating their privileges to administrator-equivalent power and achieving full site takeover, including remote code execution via the plugin and theme editors. Exploitation is only impactful when user ID 1 has been deliberately demoted to a lower-privilege role as a common administrator-account hardening practice; on default installations where user ID 1 retains the administrator role, no incremental privilege gain occurs.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Eventin – Events Calendar, Tickets, Registration, Booking & WooCommerce

All 59
More vulnerabilities in Eventin – Events Calendar, Tickets, Registration, Booking & WooCommerce
SeverityVulnerabilityCVEPublished
Medium6.5Missing Authorization to Authenticated (Subscriber+) Sensitive Information Exposure via 'id' Parameter
≤4.1.29Update to 4.1.30
CVE-2026-109994
High7.2Unauthenticated Stored Cross-Site Scripting
≤4.1.26Update to 4.1.27
CVE-2026-112844
Medium5.3Missing Authorization
≤4.1.26Update to 4.1.27
CVE-2026-110380
Medium5.3Missing Authorization
≤4.1.25Update to 4.1.26
CVE-2026-109898
Medium5.3Missing Authorization
≤4.1.25Update to 4.1.26
CVE-2026-97300

Same weakness (Privilege Escalation)

All Privilege Escalation
Other Privilege Escalation vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
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 high, CVSS 7.5

  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.
EPSS
Exploit Prediction Scoring System by FIRST.org.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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