CVE-2021-24640: Gutenslider

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The WordPress Slider Block Gutenslider plugin before 5.2.0 does not escape the minWidth attribute of a Gutenburg block, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks

Affected products

• Gutenslider Gutenslider: before 5.2.0 (fixed in 5.2.0)

Published 2021-09-20. Last modified 2026-06-17.