Stored Cross-Site Scripting Vulnerability in Logo Slider Plugin for WordPress
CVE-2026-13247

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Logo Slider WP – Responsive Logo Carousel, Logo Gallery & Logo Showcase
Vendor
CVE Published:
10 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13247?

The Logo Slider – Logo Carousel, Client Logo Slider & Brand Showcase plugin for WordPress contains a vulnerability that allows stored cross-site scripting due to insufficient input sanitization and output escaping in the 'lgx_tooltip_position' parameter. This flaw enables authenticated attackers with contributor-level access and above to inject malicious web scripts. These scripts execute when users visit pages affected by this vulnerability, potentially compromising user information and site integrity.

Affected Version(s)

Logo Slider WP – Responsive Logo Carousel, Logo Gallery & Logo Showcase 0 <= 5.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

-Recon-MySQL-SSH-ICA-CVE-2026-13247-Tomcat
Created by sifatnotes

References

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Athiwat Tiprasaharn (Jitlada)
Itthidej Aramsri (Boeing777)
.