CVE-2026-118757
PiWeb Disable payment method / Partial payment for WooCommerce before 1.1.10.9 Missing Authorization via update_fees
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| PiWeb Disable payment method / Partial payment for WooCommerce PI Websolution https://wordpress.org/plugins |
≥ 0; < 1.1.10.9 (affected, custom)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.9 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://plugins.svn.wordpress.org/disable-payment-method-for-woocommerce/tags/1.1.10.7/public/class-apply-order-fees.phpCNA: VulnCheck · technical-description
- https://plugins.trac.wordpress.org/changeset/3751777/disable-payment-method-for-woocommerceCNA: VulnCheck · patch
- https://wordpress.org/plugins/disable-payment-method-for-woocommerce/CNA: VulnCheck · product
- https://www.vulncheck.com/advisories/piweb-disable-payment-method-partial-payment-for-woocommerce-before-1.1.10.9-missing-authorization-via-update-feesCNA: VulnCheck · third-party-advisory
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