CVE-2021-42549: Wpcloudplugins Lets-Box

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Insufficient Input Validation in the search functionality of Wordpress plugin Lets-Box prior to 1.15.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.

Affected products

• Wpcloudplugins Lets-Box: before 1.15.3 (fixed in 1.15.3)

Published 2021-12-13. Last modified 2026-06-17.