CVE-2021-24556: email-subscriber project email-subscriber

csirt@kutim:~/threat-intel/cve/CVE-2021-24556

CVSS 6.1 · Medium EPSS 1,3%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada email-subscriber project email-subscriber. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

The kento_email_subscriber_ajax AJAX action of the Email Subscriber WordPress plugin through 1.1, does not properly sanitise, validate and escape the submitted subscribe_email and subscribe_name POST parameters, inserting them in the DB and then outputting them back in the Subscriber list (/wp-admin/edit.php?post_type=kes_campaign&page=kento_email_subscriber_list_settings), leading a Stored XSS issue.

Rincian

Terbit di NVD: 23 Agustus 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.1 (Medium), sumber NVD
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): 1,3% peluang dieksploitasi; lebih tinggi dari 70,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
email-subscriber project	email-subscriber	Semua versi hingga 1.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://codevigilant.com/disclosure/2021/wp-plugin-email-subscriber/ exploit · advisory pihak ketiga
https://wpscan.com/vulnerability/f050aedc-f79f-4b27-acac-0cdb33b25af8 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.