CVE-2017-20206: wpmudev appointments

csirt@kutim:~/threat-intel/cve/CVE-2017-20206

CVSS 9.8 · Critical EPSS 0,74%

Kerentanan Deserialization of Untrusted Data pada wpmudev appointments. Skor CVSS 3.1 9.8 (Critical) menurut wordfence.com.

Deskripsi (NVD)

The Appointments plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.2.1 via deserialization of untrusted input from the `wpmudev_appointments` cookie. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors.

Rincian

Terbit di NVD: 18 Oktober 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 9.8 (Critical), sumber wordfence.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-502: Deserialization of Untrusted Data
EPSS (30 hari): 0,74% peluang dieksploitasi; lebih tinggi dari 53,2% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
wpmudev	appointments	Semua versi hingga 2.2.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://plugins.trac.wordpress.org/changeset/1733186/appointments patch
https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/ press/media coverage · advisory pihak ketiga
https://www.wordfence.com/threat-intel/vulnerabilities/id/7e8f230e-3f96-4efd-806d-72725b960303?source=cve advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.