What is CVE-2026-1083?

CVE-2026-1083 is a medium-severity vulnerability in Codepeople Appointment Hour Booking – Calendar, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2026-01-28.

How severe is CVE-2026-1083?

Medium severity. CVSS v3 base score is 4.4 out of 10.

XSS in Codepeople Appointment Hour Booking – Calendar

CVE-2026-1083

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form field configuration parameters in all versions up to, and including, 1.5.60 due to insufficient input sanitization a…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Codepeople Appointment Hour Booking – Calendar — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-1083?: CVE-2026-1083 is a medium-severity vulnerability in Codepeople Appointment Hour Booking – Calendar, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2026-01-28.
How severe is CVE-2026-1083?: Medium severity. CVSS v3 base score is 4.4 out of 10.