Booking for Appointments and Events Calendar <= 9.9.1 - Missing Authorization to Unauthenticated Arbitrary Event Attendee Data Exposure…
- Exploited
- No known exploitation
- Fix
- No fix listed
- Who is exposed
- Not reported
- Last modified
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.50% · 43rd percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 30/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Booking for Appointments and Events Calendar (WordPress plugin "Amelia") versions up to and including 9.9.1 let an attacker remotely, without logging in, read the personal details of event attendees, including names, emails, phone numbers, and payment information. The flaw is a missing authorization check on the attendee export function, so any event's attendee list can be requested by ID.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
The Amelia plugin for WordPress is vulnerable to unauthorized access of attendee data due to a missing authorization check on the GetEventAttendeesCommandHandler::handle() function in versions up to, and including, 9.9.1. The handler only enforces the broad amelia_read_events capability — which the plugin's own wpamelia-customer role possesses — and does not verify that the authenticated user is an organizer/provider of the event referenced by the client-supplied id query parameter. This makes it possible for authenticated attackers, with wpamelia-customer-level access and above, to export the full CSV of attendee personally identifiable information (first/last name, email, phone, date of birth, gender, private notes, payment amounts/methods, WooCommerce order IDs, custom-field values, and uploaded-file URLs) for any Amelia event on the site by directly invoking the /report/event/attendees endpoint with an arbitrary event ID.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure17/25No login or user action needed per the CVSS vector, reachable over the network without a login · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity7.5/10CVSS 7.5
- No patch5/5No patch listed yet
What would change the score
- Would score about 75 if added to CISA KEV
- Would score about 70 if CISA's SSVC rates exploitation active
- Would score about 35 if advisories confirm default setups are exposed
Timeline
- CVE published
- First seen by cve.now
Affected versions
- melograno Booking for Appointments and Events Calendar – Amelia
From 9.0 · through 9.9.1
Evidence 6
- Link
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Corrections
None so far.
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Questions about CVE-2026-107616
Is CVE-2026-107616 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-107616?
Booking for Appointments and Events Calendar – Amelia: from 9.0 through 9.9.1.Source: cve.now feed data