CVE-2021-39321: heateor sassy social share

csirt@kutim:~/threat-intel/cve/CVE-2021-39321

CVSS 8.8 · High EPSS 2,0%

Kerentanan Deserialization of Untrusted Data pada heateor sassy social share. Skor CVSS 3.1 8.8 (High) menurut wordfence.com.

Deskripsi (NVD)

Version 3.3.23 of the Sassy Social Share WordPress plugin is vulnerable to PHP Object Injection via the wp_ajax_heateor_sss_import_config AJAX action due to deserialization of unvalidated user supplied inputs via the import_config function found in the ~/admin/class-sassy-social-share-admin.php file. This can be exploited by underprivileged authenticated users due to a missing capability check on the import_config function.

Rincian

Terbit di NVD: 21 Oktober 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.8 (High), sumber wordfence.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-502: Deserialization of Untrusted Data
CWE-863: Incorrect Authorization
EPSS (30 hari): 2,0% peluang dieksploitasi; lebih tinggi dari 80,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
heateor	sassy social share	Versi 3.3.23

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://plugins.trac.wordpress.org/changeset/2600464/sassy-social-share/trunk/admin/class-sassy-social-share-a... patch · advisory pihak ketiga
https://www.wordfence.com/blog/2021/10/vulnerability-patched-in-sassy-social-share-plugin/ exploit · advisory pihak ketiga
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39321 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.