THREAT OPS › Threat News › [NVD] CVE-2026-13358 (MEDIUM 6.5) — The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.10 via the ssa_past_appointments due to missing validation on a user controlled key.
[NVD] CVE-2026-13358 (MEDIUM 6.5) — The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.10 via the ssa_past_appointments due to missing validation on a user controlled key.
CVE-2026-13358 CVSS: 6.5 MEDIUM Published: 2026-08-16T05:16:46.213
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.10 via the ssa_past_appointments due to missing validation on a user controlled key. This makes it possible for authenticated attackers,
Indicators of compromise
- CVE-2026-13358cve
- 1.6.12.10ipv4
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-13358