CVE-2026-81649 Fundin cho WooCommerce - Broken Access Control & Stored XSS

Fundin cho WooCommerce WordPress plugin through 3.4.0 contains broken access control caused by improper authorization on REST API routes using identical credentials, letting unauthenticated attackers disclose payment credentials, modify payment settings, and perform stored XSS, exploit requires no authentication.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering, Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
11 October 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to the latest version beyond 3.4.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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