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Vulnerability record · CVE-2023-6557 · published 5 February 2024

CVE-2023-6557: Stellarwp the events calendar missing authorization vulnerability

Stellarwp · The Events Calendar

The The Events Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.2.8.2 via the route function hooked into wp_ajax_nopriv_tribe_dropdown. This makes it possible for unauthenticated attackers to extract potentially sensitive data including post titles and IDs of pending, private and draft posts.

5.3 CVSS 3.1 Medium EPSS 0.56% · top 55.5% CWE-862 · Missing authorization
5.3CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The The Events Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.2.8.2 via the route function hooked into wp_ajax_nopriv_tribe_dropdown. This makes it possible for unauthenticated attackers to extract potentially sensitive data including post titles and IDs of pending, private and draft posts.

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
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3010104%40the-events-calendar%2Ftags%2F Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/fc40196e-c0f3-4bc6-ac4b-b866902def61?source=cve Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3010104%40the-events-calendar%2Ftags%2F Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/fc40196e-c0f3-4bc6-ac4b-b866902def61?source=cve Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2024-8275The Events Calendar WordPress plugin SQL injection via order parameterThe Events Calendar plugin for WordPress is vulnerable to SQL injection through the 'order' parameter of the tribe_has_next_event() function in versi…EPSS 50%analysed9.1CVE-2024-4180Stellarwp the events calendar cross-site scripting vulnerabilityThe Events Calendar WordPress plugin before 6.4.0.1 does not properly sanitize user-submitted content when rendering some views via AJAX.EPSS 1.8%7.5CVE-2023-6203Stellarwp the events calendar vulnerabilityThe Events Calendar WordPress plugin before 6.2.8.1 discloses the content of password protected posts to unauthenticated users via a crafted requestEPSS 0.78%6.1CVE-2024-6931Stellarwp the events calendar cross-site scripting vulnerabilityThe The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via RSVP name field in all versions up to, and including, 6…EPSS 17%6.1CVE-2019-15109Stellarwp the events calendar cross-site scripting vulnerabilityThe the-events-calendar plugin before 4.8.2 for WordPress has XSS via the tribe_paged URL parameter.EPSS 1.1%5.4CVE-2025-5144Stellarwp the events calendar cross-site scripting vulnerabilityThe The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-date-*’ parameters in all versions up to, and…EPSS 0.26%5.3CVE-2024-5333Stellarwp the events calendar vulnerabilityThe Events Calendar WordPress plugin before 6.8.2.1 is missing access checks in the REST API, allowing for unauthenticated users to access informatio…EPSS 1.1%4.8CVE-2024-8493Stellarwp the events calendar cross-site scripting vulnerabilityThe Events Calendar WordPress plugin before 6.6.4 does not sanitise and escape some of its settings, which could allow high privilege users such as a…EPSS 0.35%

Source: NIST National Vulnerability Database (record CVE-2023-6557), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.