CVE-2023-49098— Reaction data for user notifications exposed in Discourse-reactions
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I. Basic Information for CVE-2023-49098
Vulnerability Information
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Vulnerability Title
Reaction data for user notifications exposed in Discourse-reactions
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse-reactions is a plugin that allows user to add their reactions to the post. Data about a user's reaction notifications could be exposed. This vulnerability was patched in commit 2c26939.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 访问控制错误漏洞
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-reactions 2c26939之前版本存在访问控制错误漏洞，该漏洞源于允许用户将他们的eaction 添加到帖子中，该数据可能会被暴露。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| discourse | discourse-reactions | < commit 2c26939 | - |
II. Public POCs for CVE-2023-49098
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · discourse · 2024-01-12 · 4 CVEs total
| CVE-2023-48297 | 8.6 HIGH | Discourse vulnerable to unlimited mentioned users in message serializer |
| CVE-2024-21655 | 4.3 MEDIUM | Insufficient control of custom field value sizes |
| CVE-2023-49099 | 3.1 LOW | Discourse secure uploads accessible to guests even when login is required |
IV. Related Vulnerabilities
Same vendor: discourse
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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-284
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Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. Comments for CVE-2023-49098
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