CVEvulnerability

CVE-2021-24857

9.8 CRITICAL Published 2021-12-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-502

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.

Affected configurations

• nocean totop link (<= 1.7.1)

Related

Weakness · CWE (1)

  • CWE-502 Deserialization of Untrusted Data weakness

References