CVE-2026-24523: Exposure of Sensitive System Information to an Unauthorized Control Sphere in Marcus (aka @msykes) WP FullCalendar
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Marcus (aka @msykes) WP FullCalendar wp-fullcalendar allows Retrieve Embedded Sensitive Data.This issue affects WP FullCalendar: from n/a through <= 1.6.
AI Analysis
Technical Summary
The WP FullCalendar plugin for WordPress, up to version 1.6, contains a vulnerability that exposes sensitive system information to unauthorized actors. This exposure can occur remotely without authentication or user interaction, potentially allowing attackers to retrieve embedded sensitive data. The CVSS 3.1 base score is 5.3, reflecting a medium severity with low impact on confidentiality and no impact on integrity or availability. No official patch or mitigation guidance is currently documented.
Potential Impact
An attacker can remotely access sensitive system information without authentication, which may aid in further attacks or reconnaissance. The confidentiality impact is limited, and there is no impact on integrity or availability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict access to the affected plugin where possible and monitor for updates from the vendor.
CVE-2026-24523: Exposure of Sensitive System Information to an Unauthorized Control Sphere in Marcus (aka @msykes) WP FullCalendar
Description
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Marcus (aka @msykes) WP FullCalendar wp-fullcalendar allows Retrieve Embedded Sensitive Data.This issue affects WP FullCalendar: from n/a through <= 1.6.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The WP FullCalendar plugin for WordPress, up to version 1.6, contains a vulnerability that exposes sensitive system information to unauthorized actors. This exposure can occur remotely without authentication or user interaction, potentially allowing attackers to retrieve embedded sensitive data. The CVSS 3.1 base score is 5.3, reflecting a medium severity with low impact on confidentiality and no impact on integrity or availability. No official patch or mitigation guidance is currently documented.
Potential Impact
An attacker can remotely access sensitive system information without authentication, which may aid in further attacks or reconnaissance. The confidentiality impact is limited, and there is no impact on integrity or availability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict access to the affected plugin where possible and monitor for updates from the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-01-23T12:31:31.582Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69738ad74623b1157c48b9d0
Added to database: 1/23/2026, 2:51:03 PM
Last enriched: 5/1/2026, 7:59:56 PM
Last updated: 5/10/2026, 10:12:51 AM
Views: 96
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