9.8

CVE-2021-24857

Exploit

ToTop Link <= 1.7.1 - Unauthenticated PHP Object Injection

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.
Mögliche Gegenmaßnahme
ToTop Link: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Weitere Schwachstelleninformationen
SystemWordPress Plugin
Produkt ToTop Link
Version *-1.7.1
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
NoceanTotop Link SwPlatformwordpress Version <= 1.7.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.8% 0.73
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.