ToTop Link <= 1.7.1 - Unauthenticated PHP Object Injection

Deserialization of Untrusted Data

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVE	CVE-2021-24857
CVSS	Critical (9)
Publicly Published	November 15, 2021
Last Updated	January 22, 2024
Researcher	Muhammed Kara

Description

The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain.

References

www.wordfence.com

1 affected software package

Software Type	Plugin
Software Slug	totop-link (view on wordpress.org)
Patched?	No
Affected Version	<= 1.7.1
Patched Version

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