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CVE-2026-32607— Discourse: Stored XSS via unescaped assignee name

EPSS 0.03% · P10
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I. Basic Information for CVE-2026-32607

Vulnerability Information
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Vulnerability Title
Discourse: Stored XSS via unescaped assignee name
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, when the hidden prioritize_full_name_in_ux site setting is enabled (defaults to false, requires console access to change), user and group display names are rendered without HTML escaping in several assignment-related UI paths. This allows users with assign permission to inject arbitrary HTML/JavaScript that executes in the browser of any user viewing an affected topic. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Discourse是Discourse开源的一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 Discourse 2026.1.3之前版本、2026.2.2之前版本和2026.3.0之前版本存在跨站脚本漏洞，该漏洞源于启用隐藏的prioritize_full_name_in_ux站点设置时，用户和组显示名称在多个分配相关UI路径中未进行HTML转义，可能导致具有分配权限的用户注入任意HTML或JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
discoursediscourse >= 2026.1.0-latest, < 2026.1.3 -

II. Public POCs for CVE-2026-32607

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III. Intelligence Information for CVE-2026-32607

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Same Patch Batch · discourse · 2026-03-31 · 15 CVEs total

CVE-2026-322735.4 MEDIUMDiscourse: XSS on category description update via API
CVE-2026-326184.3 MEDIUMDiscourse: Unauthorized channel membership inference via excluded_memberships_channel_id
CVE-2026-329514.3 MEDIUMDiscourse: Authorization bypass in oneboxer via user-controlled category id
CVE-2026-32113Discourse: Open redirect via `sso_destination_url` cookie in `enter`
CVE-2026-32620Discourse: Missing post-level authorization allows whisper metadata disclosure
CVE-2026-32619Discourse: Insufficient topic visibility check allows unauthorized poll manipulation in pr
CVE-2026-32243Discourse: Stored XSS in discourse-ai shared conversations onebox
CVE-2026-32615Discourse: Category group moderators can perform actions on topics in restricted categorie
CVE-2026-32143Discourse: Admin-only report can be exported by moderators
CVE-2026-33074Discourse: Vulnerability in discourse-subscriptions plugin allowing users to self-grant to
CVE-2026-33073discourse-subscriptions plugin leaking stripe API key in multisite environment
CVE-2026-33415Discourse: Improper Access Control in discourse-ai Allows Unauthorized Category Content Ex
CVE-2026-33300Discourse: Hidden group names and access metadata are exposed to moderators through the `c
CVE-2026-33185Discourse: Group SMTP test endpoint susceptible to SSRF

IV. Related Vulnerabilities

Same product: discourse
Same vendor: discourse
Same weakness: CWE-79

V. Comments for CVE-2026-32607

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