The Product Video Gallery for Woocommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom_thumbnail Parameter in all versions up to, and including, 1.5.1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with shop manager-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity
CVSS 3.1
4.4 medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)