Stored Cross-Site Scripting Vulnerability in Popup Box Plugin by WordPress
CVE-2024-9599

5.4MEDIUM

Key Information:

Vendor

WordPress
Status
Popup Box
Vendor
CVE Published:
15 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-9599?

The Popup Box WordPress plugin prior to version 4.7.8 is susceptible to Stored Cross-Site Scripting attacks due to insufficient sanitization and escaping of certain settings. This vulnerability enables high-privilege users, such as administrators, to inject harmful scripts into the website. Even when the 'unfiltered_html' capability is restricted, for example in a multisite setup, attackers may exploit this flaw if accessed through affected plugin configurations.

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Affected Version(s)

Popup Box 0 < 4.7.8

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-2024-9599 - Proof of Concept

References

https://wpscan.com/vulnerability/9e8a2659-7a6c-4528-b0b2-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Krugov Artyom
WPScan
JSON
.