# CVE-2026-118757: PiWeb Disable payment method / Partial payment for WooCommerce before 1.1.10.9 Missing Authorization via update_fees

Status: published. Published: 2026-10-28. Updated: 2026-11-03.

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.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://plugins.trac.wordpress.org/changeset/3751777/disable-payment-method-for-woocommerce

## Affected products and versions

- PI Websolution / PiWeb Disable payment method / Partial payment for WooCommerce: ≥ 0; < 1.1.10.9 (affected, custom). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 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; source: CNA: VulnCheck

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 0.23% as of 2026-11-02; percentile 13.98%

- SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-862

## 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.php (CNA: VulnCheck; technical-description)

- https://plugins.trac.wordpress.org/changeset/3751777/disable-payment-method-for-woocommerce (CNA: 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-fees (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-118757; retrieved 2026-11-03; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-118757; retrieved 2026-11-03; source updated Not reported

Revision: 1b6506b4a4acac02eaf5ae6608d25bae2f8ffd6bb701a0b64cce053aebdfb3ae

Canonical: https://y2.dev/cve/CVE-2026-118757

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.