CVE-2021-39341: optinmonster

csirt@kutim:~/threat-intel/cve/CVE-2021-39341

CVSS 8.2 · High EPSS 21,9%

Kerentanan Improper Authorization pada optinmonster. Skor CVSS 3.1 8.2 (High) menurut wordfence.com.

Deskripsi (NVD)

The OptinMonster WordPress plugin is vulnerable to sensitive information disclosure and unauthorized setting updates due to insufficient authorization validation via the logged_in_or_has_api_key function in the ~/OMAPI/RestApi.php file that can used to exploit inject malicious web scripts on sites with the plugin installed. This affects versions up to, and including, 2.6.4.

Rincian

Terbit di NVD: 1 November 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.2 (High), sumber wordfence.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-285: Improper Authorization
CWE-319: Cleartext Transmission of Sensitive Information
CWE-863: Incorrect Authorization
EPSS (30 hari): 21,9% peluang dieksploitasi; lebih tinggi dari 97,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
optinmonster	optinmonster	Semua versi hingga 2.6.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://plugins.trac.wordpress.org/browser/optinmonster/trunk/OMAPI/RestApi.php?rev=2606519#L1460 advisory pihak ketiga
https://wordfence.com/vulnerability-advisories/#CVE-2021-39341 advisory pihak ketiga
https://www.wordfence.com/blog/2021/10/1000000-sites-affected-by-optinmonster-vulnerabilities/ 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.