EUVD-2026-14168
GHSA-68cq-6242-rqxv
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
3Description
The Logo Slider - Logo Carousel, Logo Showcase & Client Logo Slider Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the image alt text in all versions up to, and including, 4.9.0 due to insufficient input sanitization and output escaping in the 'logo-slider' shortcode. This makes it possible for authenticated attackers, with author level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Analysis
A Stored Cross-Site Scripting (XSS) vulnerability exists in the Logo Slider WordPress plugin (versions up to 4.9.0) that allows authenticated attackers with author-level privileges to inject malicious scripts through image alt text in the 'logo-slider' shortcode. The vulnerability stems from insufficient input sanitization and output escaping, enabling persistent script execution whenever users access pages containing the injected content. …
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Remediation
Within 30 days: Identify affected systems running plugin for WordPress is vulnerable to Stored Cross-Site Scri and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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