4.3
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
The Klamra Paycal for Aspaclaria plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.1.4 via the 'invoice_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to download arbitrary customer invoices by enumerating sequential post IDs, exposing sensitive billing PII including full name, email address, phone number, order total, line items, and customer notes belonging to other customers.
Basic Information
ID
CVE-2026-8611
Source
Wordfence
Published
Jun 6, 2026 at 03:28
Affected Product
Vendor
klamra22
Product
Klamra Paycal for Aspaclaria
Affected Versions
klamra22 Klamra Paycal for Aspaclaria 0
CWE Classification
References
- www.wordfence.com /threat-intel/vulnerabilities/id/b07dc6ff-f88d-4c5a-8cd5-7c20f1755ece
- plugins.trac.wordpress.org /browser/klamra-paycal-for-aspaclaria/tags/1.1.1/includes/Modules/Invoices/Legacy/includes/pdf/download.php
- plugins.trac.wordpress.org /browser/klamra-paycal-for-aspaclaria/tags/1.1.1/includes/Modules/Invoices/Legacy/includes/pdf/download.php
- plugins.trac.wordpress.org /browser/klamra-paycal-for-aspaclaria/tags/1.1.1/includes/Modules/Invoices/Legacy/includes/render.php
- plugins.trac.wordpress.org /browser/klamra-paycal-for-aspaclaria/tags/1.0.2/includes/Modules/Invoices/Legacy/includes/pdf/download.php
- plugins.trac.wordpress.org /browser/klamra-paycal-for-aspaclaria/tags/1.0.2/includes/Modules/Invoices/Legacy/includes/pdf/download.php
- plugins.trac.wordpress.org /browser/klamra-paycal-for-aspaclaria/tags/1.0.2/includes/Modules/Invoices/Legacy/includes/render.php
- plugins.trac.wordpress.org /changeset