CVE-2026-80210

FrontAccounting through 2.4.20 generates a CSRF token in end_form() in includes/ui/ui_controls.inc and embeds it as the _token hidden field in every form it renders, but only admin/users.php and admin/change_current_user_password.php call check_csrf_token() to validate it. No financial transaction handler validates the token, including gl/gl_journal.php, gl/gl_bank.php, purchasing/supplier_invoice.php, sales/customer_invoice.php, sales/customer_payments.php and admin/company_preferences.php, so those endpoints act on POST data with no origin check. An attacker who gets an authenticated user to load a page under attacker control can auto-submit a cross-origin form to any of them and have the forged journal entry, invoice, customer payment, bank transaction or company configuration change recorded under the victim's session.

• CWE-352

• https://github.com/FrontAccountingERP/FA
• https://github.com/FrontAccountingERP/FA/blob/9464a3ffef03c139d9396e697bce9a0a9f131a72/includes/ui/ui_controls.inc#L89
• https://github.com/geo-chen/oss/blob/main/FA.md#finding-1-cross-site-request-forgery-on-financial-transaction-forms-in-frontaccounting
• https://www.vulncheck.com/advisories/frontaccounting-through-2.4.20-cross-site-request-forgery-on-financial-transaction-forms

Published

Aug 27, 2026

Last Modified

Sep 23, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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