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Critical · 9.8 CVE-2022-4120 EUVD-2022-51487GHSA-7x93-m29h-6j9q

Stop Spammers Security < 2022.6 - Unauthenticated PHP Object Injection

Published Dec 26, 2022 · Updated Apr 14, 2025 · Assigned by WPScan

Description

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 products

VendorProductAffectedFixed
— Stop Spammers Security | Block Spam Users, Comments, Forms < 2022.6 2022.6

References