CVE-2021-24729: Logo Showcase with Slick Slider < 1.2.4 - Author+ Stored Cross Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-23 · updated 2026-06-17
Weakness: CWE-79

Description

The Logo Showcase with Slick Slider WordPress plugin before 1.2.4 does not sanitise the Grid Settings, which could allow users with a role as low as Author to perform stored Cross-Site Scripting attacks via post metadata of Grid logo showcase.

Affected products

Logo Showcase with Slick Slider – Logo Carousel, Logo Slider & Logo Grid: before 1.2.4 — fixed in 1.2.4

How to fix

Upgrade to a fixed version: Logo Showcase with Slick Slider – Logo Carousel, Logo Slider & Logo Grid 1.2.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/5d70818e-730d-40c9-a2db-652052a5fd5c
https://wpscan.com/vulnerability/5d70818e-730d-40c9-a2db-652052a5fd5c

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