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CVE-2026-8176 latepoint CVE debrief

CVE-2026-8176 is a Privilege Escalation vulnerability in the LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress. The vulnerability affects versions up to, and including, 5.5.1. An authenticated Agent (Agent+) can exploit this vulnerability to elevate their privileges to Administrator without invoking an Administrator-only API.

Vendor
latepoint
Product
LatePoint – Calendar Booking Plugin for Appointments and Events
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-16
Advisory published
2026-06-16
Advisory updated
2026-06-16

Who should care

Users of the LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress, particularly those with Agent access or above, should be aware of this vulnerability. Administrators of WordPress installations with this plugin should prioritize updating to a patched version.

Technical summary

The plugin chains three independent flaws that together allow an authenticated Agent (Agent+) to overwrite a WordPress Administrator's password. This is possible due to weaknesses in the plugin's code, specifically in the customer cabinet controller, customers controller, customer helper, and customer model.

Defensive priority

High

Recommended defensive actions

  • Update the LatePoint – Calendar Booking Plugin for Appointments and Events plugin to a version beyond 5.5.1.
  • Restrict Agent access and above to only trusted users.
  • Monitor for suspicious activity, particularly privilege escalation attempts.

Evidence notes

Evidence from Wordfence indicates that the vulnerability was discovered and reported. Multiple references to specific lines of code in the plugin's files are provided, detailing the weaknesses that contribute to the vulnerability.

Official resources

CVE-2026-8176 was published on 2026-06-16T10:16:28.993Z.