CVE-2026-53963

Katalog CVE

CVSS 9.0 · Critical EPSS 0,74%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada discourse. Skor CVSS 3.1 9.0 (Critical) menurut NVD.

Deskripsi (NVD)

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, a malicious second factor name on an attacker-controlled account was not escaped in the delete confirmation dialog, allowing stored cross-site scripting when an administrator impersonated that account. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

Rincian

Terbit di NVD

9 Juli 2026

Terakhir diubah

14 Juli 2026

Status NVD

Analyzed

CVSS 3.1

9.0 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

0,74% peluang dieksploitasi; lebih tinggi dari 53,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/discourse/discourse/security/advisories/GHSA-wg5x-7f23-m3r5 mitigasi · advisory vendor
• https://github.com/discourse/discourse/commit/40de62cddadc65c328a1028ab999f3fa94adbfed patch
• https://github.com/discourse/discourse/commit/529e17d4d570a48972e7cf64720e5dd1fdf23ca8 patch
• https://github.com/discourse/discourse/commit/d92973e51a46cf6dd20c71e6068e6769b67eea5b patch
• https://github.com/discourse/discourse/commit/daea5214d833eacbdd3b1a78d99eb14e9cabd915 patch
• https://github.com/discourse/discourse/releases/tag/v2026.1.5 release notes
• https://github.com/discourse/discourse/releases/tag/v2026.4.2 release notes
• https://github.com/discourse/discourse/releases/tag/v2026.5.1 release notes
• https://github.com/discourse/discourse/releases/tag/v2026.6.0 release notes