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THREAT OPS › Threat News › [NVD] CVE-2026-87891 (MEDIUM 6.5) — The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate booki

[NVD] CVE-2026-87891 (MEDIUM 6.5) — The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate booki

mednvdPublished 2026-09-12

CVE-2026-87891 CVSS: 6.5 MEDIUM Published: 2026-09-12T06:16:28.003

The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep cl

Indicators of compromise

CVE-2026-87891cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-87891