CVE-2026-1826

OpenPOS Lite <= 3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

6.4 Medium

The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' parameter of the order_qrcode shortcode in all versions up to, and including, 3.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.28%Up 0.3 points since Feb 11, 2026

What each source reports

CVE List Score used6.4

OpenPOS Lite <= 3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

Record: CVE-2026-1826
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2026-59596.4

Record: EUVD-2026-5959
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hxcf-rpfm-c25q6.4

The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored...

Record: GHSA-hxcf-rpfm-c25q
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD6.4

Record: CVE-2026-1826
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

openpos lite – point of sale for woocommerce

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-1826 is a medium vulnerability (CVSS 6.4) in Openpos Lite – Point Of Sale For Woocommerce, published February 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.