CVE-2021-29953: mozilla firefox

csirt@kutim:~/threat-intel/cve/CVE-2021-29953

CVSS 6.1 · Medium EPSS 0,65%

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

Deskripsi (NVD)

A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

Rincian

Terbit di NVD: 24 Juni 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): 0,65% peluang dieksploitasi; lebih tinggi dari 49,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
mozilla	firefox	Semua versi sebelum 88.0.1
mozilla	firefox	Semua versi sebelum 88.1.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://bugzilla.mozilla.org/show_bug.cgi?id=1701684 permissions required · advisory vendor
https://www.mozilla.org/security/advisories/mfsa2021-20/ release notes · advisory vendor

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.