CVE-2021-41095

Katalog CVE

CVSS 6.1 · Medium EPSS 0,58%

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

Deskripsi (NVD)

Discourse is an open source discussion platform. There is a cross-site scripting (XSS) vulnerability in versions 2.7.7 and earlier of the `stable` branch, versions 2.8.0.beta6 and earlier of the `beta` branch, and versions 2.8.0.beta6 and earlier of the `tests-passed` branch. Rendering of some error messages that contain user input can be susceptible to XSS attacks. This vulnerability only affects sites which have blocked watched words that contain HTML tags, modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable`, `beta` and `tests-passed` versions of Discourse. As a workaround, avoid modifying or disabling Discourse’s default Content Security Policy, and blocking watched words containing HTML tags.

Rincian

Terbit di NVD

27 September 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)

0,58% peluang dieksploitasi; lebih tinggi dari 46,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/discourse/discourse/pull/14434/commits/40b776b9d39c41d9273d01eecf8fe03aa39fcb59 patch · advisory pihak ketiga
• https://github.com/discourse/discourse/security/advisories/GHSA-qvqx-2h7w-m479 advisory pihak ketiga