Lucene search
+L

CVE-2026-59830 Discourse: Stored XSS via unescaped actor name in post actions

🗓️ 21 Sep 2026 21:17:38Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Discourse is an open-source discussion platform. Prior to 2026.7.0, the post action component failed to escape user-controlled display names before interpolating them into an HTML string passed to trustHTML. A user who could choose a crafted displ...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-59830
21 Sep 202621:17
cve
euvd
EUVD
EUVD-2026-84181
21 Sep 202621:17
euvd
nvd
NVD
CVE-2026-59830
21 Sep 202622:16
nvd
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": "< 2026.7.0",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

21 Sep 2026 21:17Current
CVSS 3.15.4
11