Stored Cross-Site Scripting in Logo Slider Plugin for WordPress
CVE-2026-0609

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Logo Slider – Logo Carousel, Logo Showcase & Client Logo Slider Plugin
Vendor
CVE Published:
21 March 2026

What is CVE-2026-0609?

The Logo Slider – Logo Carousel, Logo Showcase & Client Logo Slider Plugin for WordPress is susceptible to a stored cross-site scripting vulnerability. This issue arises from inadequate input sanitization and output escaping in the 'logo-slider' shortcode, allowing authenticated users with author-level access or higher to inject malicious web scripts through the image alt text. Consequently, these scripts will execute on pages whenever they are accessed by users, potentially compromising user security.

Affected Version(s)

Logo Slider – Logo Carousel, Logo Showcase & Client Logo Slider Plugin 0 <= 4.9.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/logo-slider-wp...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Yudha - DJ
.