CVE-2026-103888 WPC Smart Quick View for WooCommerce <= 4.4.0 - Reflected Cross-Site Scripting via 'woosq-redirect' Parameter

Q: What is CVE-2026-103888?

CVE-2026-103888 is a medium-severity cross-site scripting vulnerability in wpclever WPC Smart Quick View for WooCommerce, published on 3 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2026-103888 being exploited?

There is no known exploitation of CVE-2026-103888 in the wild and no public exploit code.

Q: How do I fix CVE-2026-103888?

No fix has been published for CVE-2026-103888 yet. Limit exposure of the affected software until one is available.

Medium 6.1 Published 3 Oct 2026 Updated 3 Oct 2026

Unauthenticated attackers can inject arbitrary scripts via the woosq-redirect parameter, requiring the WooCommerce redirect-to-cart option to be enabled.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-103888?

CVE-2026-103888 is a medium-severity cross-site scripting vulnerability in wpclever WPC Smart Quick View for WooCommerce, published on 3 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The WPC Smart Quick View for WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'woosq-redirect' parameter in all versions up to, and including, 4.4.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The WooCommerce "redirect to cart after add to cart" option must be enabled for the filter that reads the woosq-redirect parameter to execute; however, the ?quick-view= auto-open mechanism means no further user interaction beyond loading the crafted URL is required to trigger script execution.

Weakness: CWE-79

Which versions are affected by CVE-2026-103888?

How do I fix CVE-2026-103888?

No fix has been published for CVE-2026-103888 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-103888 being exploited?