CVE-2020-26956

Katalog CVE

CVSS 6.1 · Medium EPSS 1,2%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Rincian

Terbit di NVD

9 Desember 2020

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)

1,2% peluang dieksploitasi; lebih tinggi dari 68,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1666300 issue tracking · permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-50/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-51/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-52/ advisory vendor