BSK Forms Blacklist < 3.7 - Admin+ Stored Cross-Site Scripting
CVE-2023-5980

4.8MEDIUM

Key Information:

Vendor

Wordpress
Status
Bsk Forms Blacklist
Vendor
CVE Published:
26 December 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-5980?

The BSK Forms Blacklist WordPress plugin before 3.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Affected Version(s)

BSK Forms Blacklist 0 < 3.7

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-2023-5980 - Proof of Concept

References

https://wpscan.com/vulnerability/b621261b-ae18-4853-9ace-...
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

Bob Matyas
WPScan
.