CVE-2021-24857

CRITICAL

ToTop Link WP <1.7.1 - Code Injection

Title source: llm
STIX 2.1

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)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e

Scores

CVSS v3 9.8
EPSS 0.0184
EPSS Percentile 76.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (1)
nocean/totop_link < 1.7.1
Published Dec 13, 2021
Tracked Since Feb 18, 2026