Campaign Monitor Forms < 2.5.6 - Subscriber+ Arbitrary Options Update
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 0.6%
exploitation probability
0.6%top 55% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected products
Unknown · Campaign Monitor Forms by Optin Cat