CVE-2026-27377

MEDIUM 6.7

WordPress QuickCal - Appointment Booking Calendar for WordPress plugin <= 1.0.16 - Broken Access Control vulnerability

CVSS Score

6.7

EPSS Score

0.0%

EPSS Percentile

0th

Booking Agent Broken Access Control in QuickCal - Appointment Booking Calendar for WordPress <= 1.0.16 versions.

CWE	CWE-862
Vendor	axiomthemes
Product	quickcal - appointment booking calendar for wordpress
Published	Jul 23, 2026
Last Updated	Jul 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

High

Affected Versions

axiomthemes / QuickCal - Appointment Booking Calendar for WordPress

n/a ≤ 1.0.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/quickcal/vulnerability/wordpress-quickcal-appointment-booking-calendar-for-wordpress-plugin-1-0-16-broken-access-control-vulnerability?_s_id=cve

Credits

Phat RiO | Patchstack Bug Bounty Program