CVE-2023-5098

Campaign Monitor Forms < 2.5.6 - Subscriber+ Arbitrary Options Update

The Campaign Monitor Forms by Optin Cat WordPress plugin before 2.5.6 does not prevent users with low privileges (like subscribers) from overwriting any options on a site with the string "true", which could lead to a variety of outcomes, including DoS.

Affected

Campaign Monitor Forms by Optin Cat

CVSS v3.1 NVD

8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS

0.72% chance of exploitation in the next 30 days, 53rd percentile

Published

2023-10-31

Updated

2025-04-23

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/3167a83c-291e-4372-a42e-d842205ba722

References

• CVE Record
• NVD entry