Popup box < 3.7.2 - Admin+ Stored Cross-Site Scripting
CVE-2023-4390

4.8MEDIUM

Key Information:

Vendor

Wordpress

Status
Vendor
CVE Published:
31 October 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-4390?

The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).

Affected Version(s)

Popup box 0 < 3.7.2

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

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

Prasad Borvankar
WPScan
.
The Cyber Security Vulnerability Database.