PatchSiren cyber security CVE debrief
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.
Sources and references
Verified primary and authoritative sources
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CVE-2026-8176 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-8176
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-8176 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8176
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/latepoint/tags/5.5.0/lib/controllers/customer_cabinet_controller.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/latepoint/tags/5.5.0/lib/controllers/customer_cabinet_controller.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/latepoint/tags/5.5.0/lib/controllers/customers_controller.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/latepoint/tags/5.5.0/lib/helpers/customer_helper.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/latepoint/tags/5.5.0/lib/models/customer_model.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/latepoint/tags/5.5.1/lib/controllers/customer_cabinet_controller.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/latepoint/tags/5.5.1/lib/controllers/customer_cabinet_controller.php
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.