CVE-2020-26958

Katalog CVE

CVSS 6.1 · Medium EPSS 1,4%

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)

Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. 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)

1,4% peluang dieksploitasi; lebih tinggi dari 71,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1669355 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