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CVE-2023-6242

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

MEDIUM
4.3
CVSS Score
Published: January 11, 2024 at 02:32 PM UTC
Updated: June 17, 2026 at 06:50 AM UTC
4 products affected across 3 vendorsEventonEventon LiteEventON

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Eventon· Myeventonwordpress-plugin
95%
v < 4.5.5
Affected range stops below 4.5.5, so it looks safe — our inference, not a vendor statement
Eventon Lite· Myeventonwordpress-plugin
95%
v < 2.2.8
Affected range stops below 2.2.8, so it looks safe — our inference, not a vendor statement
EventON· Ashanjaywordpress-plugin
60%
v ≤ 2.2.7
EventON· Eventonwordpress-plugin
60%
v ≤ 4.5.4

References (4)

Release Notes
Source: [email protected]
https://docs.myeventon.com/documentations/eventon-changelog/
Patch
Source: [email protected]
https://plugins.trac.wordpress.org/changeset/3017578/eventon-lite/trunk/includes/admin/class-admin-ajax.php
PatchThird Party Advisory
Source: [email protected]
https://www.wordfence.com/threat-intel/vulnerabilities/id/c8e9a333-a6b7-4b5e-93c1-b95566e5d6fb?source=cve
Source: cverecord
https://plugins.trac.wordpress.org/changeset/3017939

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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