CVE-2026-3045 is a high-severity vulnerability (CVSS 7.5) affecting the Appointment Booking Calendar — Simply Schedule Appointments WordPress plugin, in all versions up to and including 1.6.9.29. This flaw allows unauthenticated attackers to gain unauthorized access to sensitive data, including administrator emails, internal access tokens, and notification configurations. The vulnerability arises from the exposure of a non-user-bound public nonce and insufficient authorization checks within the plugin's REST API endpoints. Attackers can leverage this to retrieve admin-only settings and potentially modify or cancel appointments. There is currently no evidence of active exploitation, nor are public exploit codes or significant community discussion available for this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Croixhaug | Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin | >= 0, <= 1.6.9.29CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.