CVE-2026-49083 Overview
CVE-2026-49083 is a privilege escalation vulnerability affecting the LatePoint WordPress plugin in versions up to and including 5.5.1. The flaw allows an authenticated user with Contributor-level access to elevate privileges beyond their intended role. The weakness is categorized under [CWE-266: Incorrect Privilege Assignment]. Patchstack published the advisory in its WordPress vulnerability database. Successful exploitation impacts the confidentiality, integrity, and availability of the affected WordPress site.
Critical Impact
An authenticated Contributor can escalate privileges within a vulnerable LatePoint installation, potentially gaining administrative control over booking data and WordPress site resources.
Affected Products
- LatePoint WordPress plugin versions up to and including 5.5.1
- WordPress sites with LatePoint installed and Contributor registration enabled
- Multi-author WordPress environments using LatePoint for appointment booking
Discovery Timeline
- 2026-06-15 - CVE-2026-49083 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2026-49083
Vulnerability Analysis
The vulnerability resides in the LatePoint plugin, a WordPress appointment booking solution. An attacker holding a Contributor account can perform actions that should be restricted to higher-privileged roles. The flaw maps to [CWE-266], which describes scenarios where a system assigns privileges to an actor incorrectly. Exploitation requires network access and valid Contributor credentials, but no user interaction from the victim. The attack complexity is rated high, suggesting specific preconditions must be satisfied before privilege elevation succeeds.
Root Cause
The root cause is improper privilege assignment within LatePoint plugin code paths. The plugin fails to enforce role boundaries on sensitive operations, allowing Contributor-level users to invoke functions or modify objects reserved for administrators. This pattern typically results from missing current_user_can() capability checks or reliance on nonce validation alone without role verification.
Attack Vector
The attacker authenticates as a Contributor, then issues crafted requests to LatePoint plugin endpoints. These requests target operations that lack proper capability enforcement. Successful exploitation grants the attacker access to data or functionality reserved for higher-privileged users, including booking records, customer data, or plugin configuration. The Patchstack advisory documents the specific endpoints and conditions required. See the Patchstack Vulnerability Report for technical details.
Detection Methods for CVE-2026-49083
Indicators of Compromise
- Unexpected role changes on WordPress user accounts originally provisioned as Contributors
- LatePoint plugin AJAX or REST requests originating from Contributor sessions outside normal authoring activity
- New administrative accounts or capability assignments created shortly after Contributor logins
- Modifications to LatePoint booking records or settings performed by non-admin users
Detection Strategies
- Audit the WordPress wp_usermeta table for unauthorized changes to wp_capabilities values on Contributor accounts
- Monitor web server access logs for repeated POST requests from Contributor accounts to LatePoint plugin endpoints under /wp-admin/admin-ajax.php or plugin REST routes
- Correlate authentication events with privilege changes to identify accounts that escalated immediately after login
Monitoring Recommendations
- Enable WordPress audit logging plugins to record role changes, capability modifications, and plugin setting updates
- Forward WordPress and web server logs to a centralized SIEM for correlation and retention
- Alert on any creation of administrator accounts or assignment of manage_options capability outside change windows
How to Mitigate CVE-2026-49083
Immediate Actions Required
- Update the LatePoint plugin to a version newer than 5.5.1 as soon as a patched release is available from the vendor
- Review all Contributor and Author accounts on affected WordPress sites and remove unrecognized users
- Audit recent role changes and revert any unauthorized privilege assignments
- Rotate credentials for administrator accounts if compromise is suspected
Patch Information
Refer to the Patchstack Vulnerability Report for the latest patched version and vendor remediation guidance. Apply the vendor-supplied update through the WordPress plugin manager or via WP-CLI.
Workarounds
- Disable the LatePoint plugin until a patched version is installed if the site cannot be updated immediately
- Restrict Contributor account registration and require administrator approval for new accounts
- Place the WordPress admin area behind an IP allowlist or web application firewall rule that blocks LatePoint endpoints for non-administrative roles
- Remove the Contributor role from users who do not require content authoring access
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
