# CVE-2026-81799: WordPress Return Refund and Exchange For WooCommerce plugin <= 4.6.4 - Broken Access Control vulnerability

Status: published. Published: 2026-09-10. Updated: 2026-11-02.

Missing Authorization vulnerability in WP Swings Return Refund and Exchange For WooCommerce woo-refund-and-exchange-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Return Refund and Exchange For WooCommerce: from n/a through 4.6.4.

## Remediation

- fix: Update the WordPress Return Refund and Exchange For WooCommerce plugin to the latest available version (at least 4.6.5). (source: CNA: Patchstack)

## Affected products and versions

- WP Swings / Return Refund and Exchange For WooCommerce (woo-refund-and-exchange-lite): ≥ 0; ≤ 4.6.4 (affected, custom); unaffected at 4.6.5. Source: CNA: Patchstack

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N; source: CNA: Patchstack

- CISA KEV: No listing in collected sources

- EPSS: 0.35% as of 2026-11-01; percentile 28.25%

- 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://patchstack.com/database/wordpress/plugin/woo-refund-and-exchange-lite/vulnerability/wordpress-return-refund-and-exchange-for-woocommerce-plugin-4-6-4-broken-access-control-vulnerability?_s_id=cve (CNA: Patchstack; vdb-entry)

## Provenance

- CNA: Patchstack: https://www.cve.org/CVERecord?id=CVE-2026-81799; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-81799; retrieved 2026-11-02; source updated Not reported

Revision: 936a6e06ccdd1357d4171915d6b9568b7149dc759a6a3b402554f1f662daa035

Canonical: https://y2.dev/cve/CVE-2026-81799