CVE-2026-15254 — MEDIUM (6.5)

Vulnerability 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 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-863

References

https://wpscan.com/vulnerability/551554a8-12fb-4eb5-bd24-ae627b58dc3b/

FAQ

What is CVE-2026-15254?

CVE-2026-15254 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 fo...

How severe is CVE-2026-15254?

CVE-2026-15254 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-15254?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.