Vulnerabilities CVE-2026-53963

CVE-2026-53963

High

Open

TLP:CLEAR

Discourse: Stored-XSS in 2FA delete confirmation modal

NVD CVE.org

Critical Infrastructure

AI Analysis

No AI analysis yet.

Description

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.

Details

CVSS Score: 7.3
EPSS Score ⓘ: 0.50%

40.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Confidence: 90%
Published: Jul 9, 2026
Last Modified: Jul 14, 2026

Notes

No notes yet. Click "Add Note" to create the first analysis note.

Opinions

No opinions yet. Be the first to assess this intelligence.