Campaign Monitor Forms < 2.5.6 - Subscriber+ Arbitrary Options Update
CVE-2023-5098

8.1HIGH

Key Information:

Vendor

Wordpress

Vendor
CVE Published:
31 October 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-5098?

The Campaign Monitor Forms plugin by Optin Cat, prior to version 2.5.6, is susceptible to an authorization bypass issue, allowing users with low-level access, such as subscribers, to overwrite site options with the value "true". This vulnerability poses significant risks, including potential disruption of service, as it could lead to a range of negative outcomes affecting the site's functionality.

Affected Version(s)

Campaign Monitor Forms by Optin Cat 0 < 2.5.6

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:
8.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Francesco Marano
WPScan
.