CVE-2026-15254: CWE-863 Incorrect Authorization in Simply Schedule Appointments
The Simply Schedule Appointments WordPress plugin before 1.6.12.11 does not perform a capability check on an administrative appointment-listing shortcode, and its per-user result scoping fails open for non-staff users, allowing users with the Contributor role and above to disclose all customers' appointment records, including names, email addresses, phone numbers and notes, across the whole site.
AI Analysis
Technical Summary
CVE-2026-15254 is an incorrect authorization vulnerability (CWE-863) in the Simply Schedule Appointments WordPress plugin prior to version 1.6.12.11. The plugin does not perform a capability check on an administrative appointment-listing shortcode, and its per-user result scoping fails open for non-staff users. Consequently, users with the Contributor role or higher can access appointment data for all customers across the site, exposing sensitive personal information.
Potential Impact
Users with the Contributor role or higher can disclose all customers' appointment records, including names, email addresses, phone numbers, and notes, across the entire site. This leads to a significant privacy breach and potential exposure of sensitive customer data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict Contributor and higher roles from accessing the affected shortcode or appointment listing functionality. Monitor vendor communications for updates and apply patches promptly once released.
CVE-2026-15254: CWE-863 Incorrect Authorization in Simply Schedule Appointments
Description
The Simply Schedule Appointments WordPress plugin before 1.6.12.11 does not perform a capability check on an administrative appointment-listing shortcode, and its per-user result scoping fails open for non-staff users, allowing users with the Contributor role and above to disclose all customers' appointment records, including names, email addresses, phone numbers and notes, across the whole site.
CVSS v3.1
Score 6.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15254 is an incorrect authorization vulnerability (CWE-863) in the Simply Schedule Appointments WordPress plugin prior to version 1.6.12.11. The plugin does not perform a capability check on an administrative appointment-listing shortcode, and its per-user result scoping fails open for non-staff users. Consequently, users with the Contributor role or higher can access appointment data for all customers across the site, exposing sensitive personal information.
Potential Impact
Users with the Contributor role or higher can disclose all customers' appointment records, including names, email addresses, phone numbers, and notes, across the entire site. This leads to a significant privacy breach and potential exposure of sensitive customer data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict Contributor and higher roles from accessing the affected shortcode or appointment listing functionality. Monitor vendor communications for updates and apply patches promptly once released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-09T12:55:11.383Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a70364dbf32cb7a3418291f
Added to database: 08/03/2026, 06:33:49 UTC
Last enriched: 08/03/2026, 07:07:31 UTC
Last updated: 08/04/2026, 00:26:33 UTC
Views: 6
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