EUVD-2026-34929
GHSA-8w67-crqv-vpjm
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The LatePoint - Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 5.6.0. This is due to missing or incorrect nonce validation on the change_status function. This makes it possible for unauthenticated attackers to change the status of arbitrary invoices - including marking unpaid invoices as paid - without administrator consent via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
AnalysisAI
Cross-Site Request Forgery in the LatePoint Calendar Booking Plugin for WordPress (all versions through 5.6.0) enables unauthenticated remote attackers to manipulate invoice status records - including fraudulently marking unpaid invoices as paid - by tricking an authenticated site administrator into triggering a forged HTTP request. The flaw originates in the change_status function of the invoices controller, which lacks proper WordPress nonce validation. No public exploit code or CISA KEV listing exists at time of analysis; however, the financial integrity risk to booking-oriented WordPress sites is disproportionately high relative to the moderate CVSS score of 4.3, which is suppressed by the required user interaction (UI:R) rather than by low business impact.
Technical ContextAI
The vulnerability resides in the LatePoint plugin's invoices_controller.php at lines 234 and 246 (confirmed across both the 5.3.0 and 5.6.0 tagged releases in the WordPress plugin repository), with parameter handling implicated in params_helper.php at line 12. CWE-352 (Cross-Site Request Forgery) arises when a web application performs state-changing operations without verifying that the request originated from a legitimate, authenticated session. WordPress provides a nonce mechanism specifically to prevent CSRF - when these nonces are absent or incorrectly validated on the change_status action, any cross-origin forged POST/GET request from a browser session that holds an active admin cookie can trigger the state change. The affected product is a commercial WordPress booking plugin used by service businesses to manage appointments, invoices, and payments, making invoice status manipulation a direct business-logic attack rather than a purely technical exploit.
RemediationAI
Update the LatePoint plugin to a version beyond 5.6.0; WordPress changeset 3553094 (https://plugins.trac.wordpress.org/changeset/3553094/latepoint) contains the upstream fix addressing the missing nonce validation, though the exact released patched version number is not explicitly stated in the available data and should be confirmed via the WordPress plugin repository or the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/c720fffe-c089-450a-ac5f-1138c1c223d9. As a compensating control prior to patching, site administrators should avoid clicking links in unsolicited emails or messages while logged into the WordPress admin panel, and consider restricting access to the WordPress admin interface to trusted IP ranges - noting this reduces attack surface but does not eliminate the CSRF flaw. Web application firewall rules that block cross-origin requests to the invoices change_status endpoint can also reduce exposure, though this may interfere with legitimate plugin operation if improperly scoped.
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External POC / Exploit Code
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