CVE-2021-39325: optinmonster

csirt@kutim:~/threat-intel/cve/CVE-2021-39325

CVSS 6.1 · Medium EPSS 0,91%

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

Deskripsi (NVD)

The OptinMonster WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to insufficient input validation in the load_previews function found in the ~/OMAPI/Output.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.6.0.

Rincian

Terbit di NVD: 20 September 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): 0,91% peluang dieksploitasi; lebih tinggi dari 58,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
optinmonster	optinmonster	Semua versi hingga 2.6.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2595758%40optinmonster&new=25... patch · advisory pihak ketiga
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39325 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.