CVE-2024-53266— Cross-site Scripting (XSS) via topic titles when CSP disabled in Discourse
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I. Basic Information for CVE-2024-53266
Vulnerability Information
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Vulnerability Title
Cross-site Scripting (XSS) via topic titles when CSP disabled in Discourse
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open source platform for community discussion. In affected versions with some combinations of plugins, and with CSP disabled, activity streams in the user's profile page may be vulnerable to XSS. This has been patched in the latest version of Discourse core. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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存在跨站脚本漏洞，该漏洞源于在某些插件组合下且CSP被禁用时，用户个人资料页面中的活动流可能易受到跨站脚本攻击。
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
II. Public POCs for CVE-2024-53266
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · discourse · 2025-02-04 · 9 CVEs total
| CVE-2024-55948 | 8.2 HIGH | Anonymous cache poisoning via XHR requests in Discourse |
| CVE-2025-23023 | 8.2 HIGH | Anonymous cache poisoning via request headers in Discourse |
| CVE-2024-56328 | 6.5 MEDIUM | HTMLi(XSS without CSP) via Onebox urls in Discourse |
| CVE-2025-22602 | 6.5 MEDIUM | Stored DOM-based XSS (without CSP) via video placeholders in Discourse |
| CVE-2024-53851 | 4.3 MEDIUM | Partial denial of service via inline oneboxes in Discourse |
| CVE-2024-53994 | 4.3 MEDIUM | Potential bypass of chat permissions in Discourse |
| CVE-2025-22601 | 3.1 LOW | Client Side Path Traversal using activate account route in Discourse |
| CVE-2024-56197 | 2.2 LOW | Users can see other user's tagged PMs in Discourse |
IV. Related Vulnerabilities
Same product: discourse
- CVE-2026-34947
Discourse: Staged user custom fields are exposed on public i - CVE-2026-27481
Discourse: Hidden tag visibility bypass on tag routes - CVE-2026-33415
Discourse: Improper Access Control in discourse-ai Allows Un - CVE-2026-33300
Discourse: Hidden group names and access metadata are expose - CVE-2026-33185
Discourse: Group SMTP test endpoint susceptible to SSRF
Same vendor: discourse
- CVE-2026-34947
Discourse: Staged user custom fields are exposed on public i - CVE-2026-27481
Discourse: Hidden tag visibility bypass on tag routes - CVE-2026-33415
Discourse: Improper Access Control in discourse-ai Allows Un - CVE-2026-33300
Discourse: Hidden group names and access metadata are expose - CVE-2026-33185
Discourse: Group SMTP test endpoint susceptible to SSRF
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2024-53266
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