by Kastro
Paper/Archive/CVE-2021-24857

CVE-2021-24857

Unknown ToTop Link — ToTop Link <= 1.7.1 - Unauthenticated PHP Object Injection

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 79.7.797 × 2015.9No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
ToTop Link1.7.1 – 1.7.1–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refwpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e