CVE-2026-3462: Frisbii Pay <= 1.8.9 - Missing Authorization to Authenticated (Subscriber+) Payment Token Modification

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-27 · updated 2026-06-29
Weakness: CWE-862

Description

The Frisbii Pay plugin for WordPress is vulnerable to unauthorized modification of data due to missing capability checks on the 'upload_csv' and 'process_batch' functions in all versions up to, and including, 1.8.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary CSV data and overwrite WooCommerce payment tokens, postmeta, and order meta records.

Affected products

reepaydenmark Frisbii Pay: through 1.8.9

References

https://plugins.trac.wordpress.org/browser/reepay-checkout-gateway/trunk/includes/Admin/MigrationMobilepayToVipps.php#L129
https://plugins.trac.wordpress.org/browser/reepay-checkout-gateway/trunk/includes/Admin/MigrationMobilepayToVipps.php#L170
https://plugins.trac.wordpress.org/browser/reepay-checkout-gateway/trunk/includes/Admin/MigrationMobilepayToVipps.php#L42
https://plugins.trac.wordpress.org/changeset/3485246/
https://www.wordfence.com/threat-intel/vulnerabilities/id/cf1ca22a-7fb6-457c-bde0-83f6744185be?source=cve

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