Fundiin <= 3.4.0 - Unauthenticated Payment Gateway Settings Update and Credential Disclosure
The Fundiin cho WooCommerce WordPress plugin through 3.4.0 does not have proper authorisation on several of its REST API routes, relying instead on a credential that is identical on every installation, allowing unauthenticated attackers to disclose the store's payment credentials and customer order data, overwrite the payment gateway configuration so that payments are credited elsewhere, and mark unpaid orders as paid. The same missing authorisation also allows arbitrary script to be stored in a field which is output unescaped on the classic checkout, leading to unauthenticated stored XSS on stores that do not use the block-based checkout.
CVE-2026-81649
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-81649
Fundiin cho WooCommerce
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Unknown",
"product": "Fundiin cho WooCommerce",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "3.4.0"
}
],
"defaultStatus": "unknown"
}
]- Related CVEs
- CVE-2026-81649
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #16652 · Revision 1
- Added to Heist Feed
- Publisher date