Auth bypass in Pi Websolution Piweb Disable Payment Method / Partial For Woocommerce
CVE-2026-118757
PiWeb Disable payment method / Partial payment for WooCommerce before 1.1.10.9 contains a missing authorization vulnerability in the update_fees AJAX handler that allows unauthenticated attackers to modify and read other customers' orders. Attackers can reuse a nonce from their own order-pay page and supply sequential order_id values to change payment methods, recalculate fees, and disclose order line items and totals.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- plugins.svn.wordpress.org/disable-payment-method-for-woocommerce/tags/1.1.10.7/… (technical-description)
- plugins.trac.wordpress.org/changeset/3751777/disable-payment-method-for-woocomm… (patch)
- wordpress.org/plugins/disable-payment-method-for-woocommerce/ (product)
- www.vulncheck.com/advisories/piweb-disable-payment-method-partial-payment-for-w… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-118757?
- CVE-2026-118757 is a medium-severity vulnerability in Pi Websolution Piweb Disable Payment Method / Partial For Woocommerce, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-28.
- How severe is CVE-2026-118757?
- Medium severity. CVSS v3 base score is 6.5 out of 10.