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EventON — WordPress Virtual Event Calendar Plugin Pro <= 4.5.4 & Free <= 2.2.7 - Cross-Site Request Forgery via evo_eventpost_update_meta

CVE-2023-6242Published · Updated

Action summary

EventON – Events Calendar: Affected: ≤2.2.7Update to 2.2.8 or newer

EventON (Pro) - WordPress Virtual Event Calendar Plugin: Affected: ≤4.5.4Update to 4.5.5 or newer

All remediation steps
Watch plugin
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:R User interaction
Required
S:U Scope
Unchanged
C:N Confidentiality
None
I:H Integrity
High
A:N Availability
None
Weakness
CWE-352 CSRF
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

EventON – Events Calendar eventon-lite

  1. Affected≤ 2.2.7
  2. Patched in2.2.8

Update to 2.2.8 or newer.

You are affected if you run ≤ 2.2.7. Version 2.2.8 and later are not affected by this issue.

EventON (Pro) - WordPress Virtual Event Calendar Plugin eventON

  1. Affected≤ 4.5.4
  2. Patched in4.5.5

Update to 4.5.5 or newer.

You are affected if you run ≤ 4.5.4. Version 4.5.5 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under EventON – Events Calendar.
  • 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 2.2.8, or a newer patched version
  2. Update to version 4.5.5, or a newer patched version
  3. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  4. Watch EventON – Events Calendar to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Francesco Carlucci.

The EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.5.4 (for Pro) & 2.2.7 (for Free). This is due to missing or incorrect nonce validation on the evo_eventpost_update_meta function. This makes it possible for unauthenticated attackers to update arbitrary post metadata via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in EventON – Events Calendar

All 22
More vulnerabilities in EventON – Events Calendar
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting
≤2.5.7Update to 2.5.8
CVE-2026-81791
Medium4.3Authenticated (Contributor+) Information Disclosure
≤2.4.7Update to 2.4.8
CVE-2025-8091
Medium5.3Missing Authorization
≤2.4.4Update to 2.4.5
CVE-2025-48116
High8.8Authenticated (Contributor+) Local File Inclusion
≤2.4.1Update to 2.4.2
CVE-2025-47494
Critical9.8Unauthenticated Local File Inclusion
≤2.4Update to 2.4.1
CVE-2025-32614

Same weakness (CSRF)

All CSRF
Other CSRF 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 medium, CVSS 6.5

  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.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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