Stop Spammers Security < 2022.6 - Unauthenticated PHP Object Injection
CVE-2022-4120
9.8CRITICAL
Summary
The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2022.6 passes base64 encoded user input to the unserialize() PHP function when CAPTCHA are used as second challenge, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain
Affected Version(s)
Stop Spammers Security | Block Spam Users, Comments, Forms 0 < 2022.6
References
CVSS V3.1
Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
Credit
Seryeon Ham
WPScan