CVE-2026-5391: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
The LatePoint Appointment Booking Plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in the 'btn_wrapper_classes' attribute of the 'latepoint_resources' shortcode. This vulnerability affects all versions up to and including 5.3.2 and allows authenticated users with contributor-level access or higher to inject arbitrary scripts that execute when a page is viewed. The issue arises from insufficient input sanitization and output escaping in the 'locations' branch of the shortcode processing function.
AI Analysis
Technical Summary
CVE-2026-5391 is a stored cross-site scripting vulnerability in the LatePoint WordPress plugin, specifically in the 'btn_wrapper_classes' attribute of the 'latepoint_resources' shortcode. The vulnerability is due to improper neutralization of input during web page generation caused by inadequate sanitization and escaping in the 'shortcode_latepoint_resources' function's 'locations' branch. Authenticated attackers with contributor or higher privileges can exploit this to inject malicious scripts that execute in the context of users visiting the affected pages. The vulnerability affects all versions up to and including 5.3.2.
Potential Impact
Successful exploitation allows an authenticated user with contributor-level access or higher to inject and execute arbitrary JavaScript in the context of other users viewing the affected pages. This can lead to information disclosure and integrity impacts, such as session hijacking or unauthorized actions performed on behalf of other users. The vulnerability does not impact availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict contributor-level access and above to trusted users only. Monitor for updates from the LatePoint plugin vendor regarding patches or official mitigations.
CVE-2026-5391: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
Description
The LatePoint Appointment Booking Plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in the 'btn_wrapper_classes' attribute of the 'latepoint_resources' shortcode. This vulnerability affects all versions up to and including 5.3.2 and allows authenticated users with contributor-level access or higher to inject arbitrary scripts that execute when a page is viewed. The issue arises from insufficient input sanitization and output escaping in the 'locations' branch of the shortcode processing function.
CVSS v3.1
Score 6.4medium
Affected software
latepoint
Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-5391 is a stored cross-site scripting vulnerability in the LatePoint WordPress plugin, specifically in the 'btn_wrapper_classes' attribute of the 'latepoint_resources' shortcode. The vulnerability is due to improper neutralization of input during web page generation caused by inadequate sanitization and escaping in the 'shortcode_latepoint_resources' function's 'locations' branch. Authenticated attackers with contributor or higher privileges can exploit this to inject malicious scripts that execute in the context of users visiting the affected pages. The vulnerability affects all versions up to and including 5.3.2.
Potential Impact
Successful exploitation allows an authenticated user with contributor-level access or higher to inject and execute arbitrary JavaScript in the context of other users viewing the affected pages. This can lead to information disclosure and integrity impacts, such as session hijacking or unauthorized actions performed on behalf of other users. The vulnerability does not impact availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict contributor-level access and above to trusted users only. Monitor for updates from the LatePoint plugin vendor regarding patches or official mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-04-01T23:08:21.183Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a74768abf8831d539a9b72c
Added to database: 08/06/2026, 11:56:58 UTC
Last enriched: 08/13/2026, 17:07:24 UTC
Last updated: 09/21/2026, 22:01:36 UTC
Views: 45
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