Stored Cross-Site Scripting in Post Slider and Post Carousel Widget by WordPress
CVE-2025-4567

4.8MEDIUM

Key Information:

Vendor

WordPress
Status
Post Slider And Post Carousel With Post Vertical Scrolling Widget
Vendor
CVE Published:
3 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4567?

The Post Slider and Post Carousel with Post Vertical Scrolling Widget plugin for WordPress, prior to version 3.2.10, lacks proper validation and escaping of certain widget options before rendering them on pages or posts. This flaw enables users with contributor-level access and higher to exploit the vulnerability by injecting malicious scripts, resulting in Stored Cross-Site Scripting attacks that can compromise user data and website integrity.

Affected Version(s)

Post Slider and Post Carousel with Post Vertical Scrolling Widget 0 < 3.2.10

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.

CVE-2025-4567 - Proof of Concept

References

https://wpscan.com/vulnerability/b8a50ae9-40c4-42f8-9342-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Krugov Artyom
WPScan
.
CVE-2025-4567 : Stored Cross-Site Scripting in Post Slider and Post Carousel Widget by WordPress