What’s Vulnerable › Vulnerabilities

CVE-2026-1826: OpenPOS Lite <= 3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-11 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• OpenPOS Lite – Point of Sale for WooCommerce: through 3.0

References

• https://plugins.trac.wordpress.org/browser/wpos-lite-version/tags/3.0/includes/admin/Admin.php#L3161
• https://plugins.trac.wordpress.org/browser/wpos-lite-version/trunk/includes/admin/Admin.php#L3161
• https://plugins.trac.wordpress.org/changeset/3456299/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e3bb88e9-e410-4ff7-b342-72c7b375dff1?source=cve

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