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WordPress plugin

Appointment and Event Booking Calendar for WordPress – Amelia <= 1.0.47 — Information Disclosure and SMS Spam

CVE-2022-0837Published · Updated

Action summary

Affected: <1.0.48Update to 1.0.48 or newer

All remediation steps
Watch plugin
Severity
Medium6.4
CVSS
6.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-863 Incorrect Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Booking for Appointments and Events Calendar – Amelia ameliabooking

  1. Affected< 1.0.48
  2. Patched in1.0.48

Update to 1.0.48 or newer.

You are affected if you run < 1.0.48. Version 1.0.48 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Booking for Appointments and Events Calendar – Amelia.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 1.0.48, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Booking for Appointments and Events Calendar – Amelia to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Huli, Cymetrics.

The Amelia WordPress plugin before 1.0.48 does not have proper authorisation when handling Amelia SMS service, allowing any customer to send paid test SMS notification as well as retrieve sensitive information about the admin, such as the email, account balance and payment history. A malicious actor can abuse this vulnerability to drain out the account balance by keep sending SMS notification.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Booking for Appointments and Events Calendar – Amelia

All 57
More vulnerabilities in Booking for Appointments and Events Calendar – Amelia
SeverityVulnerabilityCVEPublished
High7.5Missing Authorization to Unauthenticated Arbitrary Event Attendee Data Exposure via '/report/event/attendees' Endpoint
9.0 – 9.9.1Update to 9.9.2
CVE-2026-107616
Medium6.5Missing Authorization to Authenticated (Custom+) Sensitive Information Disclosure via '/report/event/bookings' Endpoint
9.0 – 9.9.1Update to 9.9.2
CVE-2026-104992
Medium5.3Unauthenticated Sensitive Information Exposure in 'page' Parameter
≤2.4.12Update to 2.4.13
CVE-2026-103915
Medium5.3Missing Authorization
≤2.4.10Update to 2.4.11
CVE-2026-116388
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.4.12Update to 2.4.13
CVE-2026-116396

Timeline

  1. CVE published

    Severity medium, CVSS 6.4

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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