Vulnerability · CVE-2026-103366
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up…
Published Oct 14, 2026 · catalog updated Oct 15, 2026 · the affected product
Check if you run it
No confirmed exploitation is on record for CVE-2026-103366. EPSS is 0.47%. Act only if a listed version of the affected product is installed.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.47%
- Remediation
- Version ranges on file
- Affected products
- stated named in the record
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.7.3 via the and parameters on the and public routes (reachable through wp_ajax_nopriv_latepoint_route_call). This is due to feeding raw request parameters into and , which call and load an arbitrary booking or cart row by primary key with no ownership check — the ownership guard the vendor added for the earlier disclosure lives only inside and does not cover the sibling routes or at all. This makes it possible for unauthenticated attackers to enumerate sequential booking / cart identifiers and read other customers' appointment details (service name, agent, date/time, duration, price breakdown, status) and other shoppers' pending checkout contents directly from the JSON responses.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- stated named in the record<= 5.7.3
How to fix CVE-2026-103366
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-103366. EPSS is 0.47%. Act only if a listed version of the affected product is installed.
Which versions are affected?
Compare what you have installed with named in the record <= 5.7.3. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-639: Authorization Bypass Through User-Controlled Key. EPSS 0.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Oct 14, 2026 · NIST NVD
Detected
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.7.3 via the and parameters on the and public routes (reachable through wp_ajax_nopriv_latepoint_route_call). This is due to feeding raw request parameters into and , which call and load an arbitrary booking or ca
Oct 15, 2026 · NIST NVD
Updated
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.7.3 via the and parameters on the and public routes (reachable through wp_ajax_nopriv_latepoint_route_call). This is due to feeding raw request parameters into and , which call and load an arbitrary booking or ca
Sources
- CVE.orgVulnerability recordCVE-2026-103366
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-103366
30-day exploitation probability 0.5%
first.org - NIST NVDVulnerability recordCVE-2026-103366
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.7.3 via the and parameters on the `steps__reload_booking_form_summa
nvd.nist.gov
References
- Reference · plugins.trac.wordpress.org
- Reference · plugins.trac.wordpress.org
- Reference · plugins.trac.wordpress.org
- Reference · plugins.trac.wordpress.org
- Reference · plugins.trac.wordpress.org
- Reference · plugins.trac.wordpress.org
- Reference · plugins.trac.wordpress.org
- Reference · plugins.trac.wordpress.org
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.