Medium (5.4) in product gtin \(ean\, upc\, isbn\) for woocommerce project product gtin \(ean\, upc\, isbn\) for woocommerce. EPSS 0.5% chance of exploitation in the next 30 days.
The Product GTIN (EAN, UPC, ISBN) for WooCommerce WordPress plugin through 1.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-11-01)