CVE-2021-24857

CRITICAL

ToTop Link WP <1.7.1 - Code Injection

Title source: llm

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 (1)

Scores

CVSS v3 9.8
EPSS 0.0080
EPSS Percentile 73.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-502
Status published

Affected Products (1)

nocean/totop_link < 1.7.1

Timeline

Published Dec 13, 2021
Tracked Since Feb 18, 2026