CVE-2026-13247
Received Received - Intake

Stored XSS in Logo Slider WordPress Plugin

Publication date: 2026-07-10

Last updated on: 2026-07-10

Assigner: Wordfence

Description
The Logo Slider – Logo Carousel, Client Logo Slider & Brand Showcase for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'lgx_tooltip_position' parameter in all versions up to, and including, 5.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Meta Information

Published
2026-07-10
Last Modified
2026-07-10
Generated
2026-07-10
AI Q&A
2026-07-10
EPSS Evaluated
N/A
NVD
CVE-2026-13247
EUVD
EUVD-2026-42863

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wpbeaverbuilder logo_slider to 5.5 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

The vulnerability exists in the Logo Slider – Logo Carousel, Client Logo Slider & Brand Showcase for WordPress plugin. It is a Stored Cross-Site Scripting (XSS) vulnerability that occurs via the 'lgx_tooltip_position' parameter in all versions up to and including 5.5.

This happens because the plugin does not properly sanitize input or escape output, allowing authenticated users with contributor-level access or higher to inject malicious scripts into pages.

These injected scripts execute whenever any user accesses the affected page, potentially compromising user security.

Impact Analysis

This vulnerability can allow attackers with contributor-level access or above to inject arbitrary web scripts into pages.

When other users visit these pages, the malicious scripts execute in their browsers, which can lead to theft of sensitive information, session hijacking, or other malicious activities.

Because the vulnerability has a CVSS v3.1 base score of 6.4, it is considered a medium severity issue with potential impacts on confidentiality and integrity.

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