Stored Cross-Site Scripting Vulnerability in Slick Slider Plugin by WordPress
CVE-2026-16537

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
6 August 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-16537?

The Slick Slider plugin for WordPress, before version 0.5.3, contains a vulnerability due to improper sanitization and escaping of a shortcode attribute value. This flaw allows users with Contributor privileges and above to conduct Stored Cross-Site Scripting attacks. When a user views the affected post, malicious scripts embedded in the attribute can execute. This poses a serious security risk, enabling attackers to manipulate content or access sensitive information.

Affected Version(s)

Slick Slider 0 < 0.5.3

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.

References

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

testoun
WPScan
.