---
title: "CVE-2026-77183: FooSales Point of Sale (POS) for WooCommerce - Privilege Escalation"
description: "FooSales Point of Sale (POS) for WooCommerce <= 1.43.0 contains a privilege escalation via account takeover caused by improper validation of user identity before updating email, letting authenticated attackers with cashier-level access change arbitrary user emails and reset passwords."
url: https://panop.io/threat-heartbeat/CVE-2026-77183/
---

# CVE-2026-77183 FooSales Point of Sale (POS) for WooCommerce - Privilege Escalation

FooSales Point of Sale (POS) for WooCommerce <= 1.43.0 contains a privilege escalation via account takeover caused by improper validation of user identity before updating email, letting authenticated attackers with cashier-level access change arbitrary user emails and reset passwords.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.29% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-77183)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation

CVSS vector

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

Published

10 October 2026

Updated

15 October 2026

Weakness

[CWE-269](https://cwe.mitre.org/data/definitions/269.html)

## Vendor fix

Update to a version later than 1.43.0 or the latest available version.

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-2026-77183](https://nvd.nist.gov/vuln/detail/CVE-2026-77183)
- [https://plugins.trac.wordpress.org/changeset/3719657/foosales/trunk/admin/class-foosales-rest-api.php](https://plugins.trac.wordpress.org/changeset/3719657/foosales/trunk/admin/class-foosales-rest-api.php)
- [https://plugins.trac.wordpress.org/changeset/3719657/foosales/trunk/admin/foosales-xmlrpc-functions.php](https://plugins.trac.wordpress.org/changeset/3719657/foosales/trunk/admin/foosales-xmlrpc-functions.php)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/97097d41-1d78-4db0-8ee2-70a776bd99f2?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/97097d41-1d78-4db0-8ee2-70a776bd99f2?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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