CVE-2023-47119— HTML injection in oneboxed links
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I. Basic Information for CVE-2023-47119
Vulnerability Information
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Vulnerability Title
HTML injection in oneboxed links
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches, some links can inject arbitrary HTML tags when rendered through our Onebox engine. The issue is patched in version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Discourse是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 3.1.3 版本之前存在安全漏洞，该漏洞源于某些链接在通过 Onebox 引擎呈现时可以注入任意 HTML 标签。
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-2023-47119
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | A POC for CVE-2023-47119 | https://github.com/BaadMaro/CVE-2023-47119 | POC Details |
| 2 | None | https://github.com/Cristiano100/CVE-2023-47119 | POC Details |
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Same Patch Batch · discourse · 2023-11-10 · 6 CVEs total
| CVE-2023-47120 | 7.5 HIGH | Discourse DoS through Onebox favicon URL |
| CVE-2023-46130 | 4.3 MEDIUM | Bypassing height value allowed in some theme components |
| CVE-2023-45806 | 4.3 MEDIUM | Discourse vulnerable to DoS via Regexp Injection in Full Name |
| CVE-2023-47121 | 3.4 LOW | Discourse SSRF vulnerability in Embedding |
| CVE-2023-45816 | 3.3 LOW | Unread bookmark reminder notifications that the user cannot access can be seen |
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-74
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Dolibarr has an Authenticated Remote Code Execution via eval - CVE-2026-26164
M365 Copilot Information Disclosure Vulnerability - CVE-2026-7045
baomidou dynamic-datasource StandardEvaluationContext/SpelEx - CVE-2026-6994
Envoy Query Parameter header_mutation.cc params.add injectio - CVE-2026-41319
MailKit has STARTTLS Response Injection via unflushed stream
V. Comments for CVE-2023-47119
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