Amelia <= 2.1.2 - Authenticated (Manager+) SQL Injection via 'sort' Parameter

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Summary

CVECVE-2026-4668
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-01 00:16:01 UTC
Updated2026-04-01 14:23:37 UTC
DescriptionThe Booking for Appointments and Events Calendar - Amelia plugin for WordPress is vulnerable to SQL Injection via the `sort` parameter in the payments listing endpoint in all versions up to, and including, 2.1.2. This is due to insufficient escaping on the user-supplied `sort` parameter and lack of sufficient preparation on the existing SQL query in `PaymentRepository.php`, where the sort field is interpolated directly into an ORDER BY clause without sanitization or whitelist validation. PDO prepared statements do not protect ORDER BY column names. GET requests also skip Amelia's nonce validation entirely. This makes it possible for authenticated attackers, with Manager-level (`wpamelia-manager`) access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database via time-based blind SQL injection.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

EPSS: 0.000100000 probability, percentile 0.011120000 (date 2026-04-01)

Problem Types: CWE-89 | CWE-89 CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Ameliabooking Booking For Appointments And Events Calendar Amelia affected 2.1.2 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/1bfc5467-6610-4516-8c50-d47d0... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/ameliabooking/tags/2.1/src/Application/Commands/Payme... [email protected] plugins.trac.wordpress.org
wordpress.org/plugins/ameliabooking [email protected] wordpress.org
plugins.trac.wordpress.org/changeset/3488955/ameliabooking/trunk/src/Infrastructure/Repo... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/ameliabooking/tags/2.1/src/Infrastructure/Repository/... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Michael Perla (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-24T08:40:42.000ZVendor Notified
CNA2026-03-31T10:30:53.000ZDisclosed
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