CVE-2021-38356: nextscripts social networks auto poster

csirt@kutim:~/threat-intel/cve/CVE-2021-38356

CVSS 6.1 · Medium EPSS 0,87%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada nextscripts social networks auto poster. Skor CVSS 3.1 6.1 (Medium) menurut wordfence.com.

Deskripsi (NVD)

The NextScripts: Social Networks Auto-Poster <= 4.3.20 WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the $_REQUEST['page'] parameter which is echoed out on inc/nxs_class_snap.php by supplying the appropriate value 'nxssnap-post' to load the page in $_GET['page'] along with malicious JavaScript in $_POST['page'].

Rincian

Terbit di NVD: 1 November 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.1 (Medium), sumber wordfence.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,87% peluang dieksploitasi; lebih tinggi dari 57,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextscripts	social networks auto poster	Semua versi hingga 4.3.20

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.wordfence.com/blog/2021/10/xss-vulnerability-in-nextscripts-social-networks-auto-poster-plugin-imp... exploit · 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.