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CVE-2023-6557 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3010104%40the-events-calendar%2Ftags%2F6.2.9&old=3010096%40the-events-calendar%2Ftags%2F6.2.9	CVE	Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/fc40196e-c0f3-4bc6-ac4b-b866902def61?source=cve	CVE	Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3010104%40the-events-calendar%2Ftags%2F6.2.9&old=3010096%40the-events-calendar%2Ftags%2F6.2.9	[email protected]	Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/fc40196e-c0f3-4bc6-ac4b-b866902def61?source=cve	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-862	Missing Authorization	[email protected]
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
stellarwp the events calendar	<= 6.2.8.2
CPE cpe:2.3:a:stellarwp:the_events_calendar::::::wordpress::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Apr 8, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
Oct 7, 2024	CPE Deprecation Remap	[email protected]
May 14, 2024	CVE Modified	[email protected]
Feb 12, 2024	Initial Analysis	[email protected]
Feb 5, 2024	New CVE Received	[email protected]