---
title: "CVE-2026-97657: Abandoned Cart Pro for WooCommerce - Authentication Bypass"
description: "Abandoned Cart Pro for WooCommerce <= 10.8.0 contains an authentication bypass caused by malleable AES-CTR encryption and bypassable HMAC in cart-recovery tokens, letting unauthenticated attackers achieve full account takeover via crafted cart IDs, exploit requires possession of a legitimate cart-recovery link."
url: https://panop.io/threat-heartbeat/CVE-2026-97657/
---

# CVE-2026-97657 Abandoned Cart Pro for WooCommerce - Authentication Bypass

Abandoned Cart Pro for WooCommerce <= 10.8.0 contains an authentication bypass caused by malleable AES-CTR encryption and bypassable HMAC in cart-recovery tokens, letting unauthenticated attackers achieve full account takeover via crafted cart IDs, exploit requires possession of a legitimate cart-recovery link.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Not required

EPSS

0.38% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97657)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-639](https://cwe.mitre.org/data/definitions/639.html)

## Vendor fix

Update to the latest version beyond 10.8.0 where this issue is fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-97657](https://nvd.nist.gov/vuln/detail/CVE-2026-97657)
- [https://www.tychesoftwares.com/docs/docs/abandoned-cart-pro-for-woocommerce-new/changelog-abandoned-cart-pro/](https://www.tychesoftwares.com/docs/docs/abandoned-cart-pro-for-woocommerce-new/changelog-abandoned-cart-pro/)
- [https://www.tychesoftwares.com/products/woocommerce-abandoned-cart-pro-plugin/](https://www.tychesoftwares.com/products/woocommerce-abandoned-cart-pro-plugin/)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/b25b4aed-94b2-4c16-8e4e-39aec4e5e22a?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/b25b4aed-94b2-4c16-8e4e-39aec4e5e22a?source=cve)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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