Unauthorized Data Modification in Booking for Appointments and Events Calendar – Amelia Plugin by WordPress
CVE-2026-16582

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Booking For Appointments And Events Calendar – Amelia
Vendor
CVE Published:
17 September 2026

What is CVE-2026-16582?

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress contains a vulnerability that allows for unauthorized modification of data. This issue arises from the plugin's failure to validate a client-supplied package-redemption identifier as proof of payment. As a result, unauthenticated attackers are able to create appointment bookings without submitting payment, posing significant risks to system integrity and trustworthiness.

Affected Version(s)

Booking for Appointments and Events Calendar – Amelia 0 <= 2.4.5

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3640186

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ricky morty
.