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Vulnerability record · CVE-2023-3219 · published 10 July 2023

CVE-2023-3219: Myeventon eventon insecure direct object reference vulnerability

Myeventon · Eventon

The EventON WordPress plugin before 2.1.2 does not validate that the event_id parameter in its eventon_ics_download ajax action is a valid Event, allowing unauthenticated visitors to access any Post (including unpublished or protected posts) content via the ics export functionality by providing the numeric id of the post.

5.3 CVSS 3.1 Medium EPSS 7.5% · top 5.7% CWE-639 · Insecure direct object reference
5.3CVSS 3.1 base score
7.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The EventON WordPress plugin before 2.1.2 does not validate that the event_id parameter in its eventon_ics_download ajax action is a valid Event, allowing unauthenticated visitors to access any Post (including unpublished or protected posts) content via the ics export functionality by providing the numeric id of the post.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/173992/WordPress-EventON-Calendar-4.4-Insecure-Direct-Object-Reference.html
https://wpscan.com/vulnerability/72d80887-0270-4987-9739-95b1a178c1fd ExploitThird Party Advisory
http://packetstormsecurity.com/files/173992/WordPress-EventON-Calendar-4.4-Insecure-Direct-Object-Reference.html
https://wpscan.com/vulnerability/72d80887-0270-4987-9739-95b1a178c1fd ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.5CVE-2023-6158Myeventon eventon missing authorization vulnerabilityThe EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to…EPSS 0.56%6.1CVE-2023-7200Myeventon eventon cross-site scripting vulnerabilityThe EventON WordPress plugin before 4.4.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cros…EPSS 0.43%6.1CVE-2024-0233Myeventon eventon cross-site scripting vulnerabilityThe EventON WordPress plugin before 4.5.5, EventON WordPress plugin before 2.2.7 do not properly sanitise and escape a parameter before outputting it…EPSS 0.37%6.1CVE-2024-0238Myeventon eventon cross-site scripting vulnerabilityThe EventON Premium WordPress plugin before 4.5.6, EventON WordPress plugin before 2.2.8 do not have authorisation in an AJAX action, and does not en…EPSS 0.37%6.1CVE-2020-29395Myeventon eventon cross-site scripting vulnerabilityThe EventON plugin through 3.0.5 for WordPress allows addons/?q= XSS via the search field.EPSS 13%5.9CVE-2024-4752Myeventon eventon cross-site scripting vulnerabilityThe EventON WordPress plugin before 2.2.15 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to…EPSS 0.40%5.4CVE-2025-3527Myeventon eventon missing authorization vulnerabilityThe EventON Pro plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check in the 'assets/lib/settings…EPSS 0.20%5.3CVE-2024-0235Myeventon eventon missing authorization vulnerabilityThe EventON WordPress plugin before 4.5.5, EventON WordPress plugin before 2.2.7 do not have authorisation in an AJAX action, allowing unauthenticate…EPSS 38%

Source: NIST National Vulnerability Database (record CVE-2023-3219), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.