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CVE-2023-45816— Unread bookmark reminder notifications that the user cannot access can be seen

CVSS 3.3 · Low EPSS 0.17% · P37
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I. Basic Information for CVE-2023-45816

Vulnerability Information
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Vulnerability Title
Unread bookmark reminder notifications that the user cannot access can be seen
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, there is an edge case where a bookmark reminder is sent and an unread notification is generated, but the underlying bookmarkable (e.g. post, topic, chat message) security has changed, making it so the user can no longer access the underlying resource. As of version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches, bookmark reminders are now no longer sent if the user does not have access to the underlying bookmarkable, and also the unread bookmark notifications are always filtered by access. There are no known workarounds.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
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，该漏洞源于有一种特殊情况，可以使用户无法再访问底层资源。
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 < 3.1.3 -

II. Public POCs for CVE-2023-45816

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III. Intelligence Information for CVE-2023-45816

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Same Patch Batch · discourse · 2023-11-10 · 6 CVEs total

CVE-2023-471207.5 HIGHDiscourse DoS through Onebox favicon URL
CVE-2023-471195.3 MEDIUMHTML injection in oneboxed links
CVE-2023-461304.3 MEDIUMBypassing height value allowed in some theme components
CVE-2023-458064.3 MEDIUMDiscourse vulnerable to DoS via Regexp Injection in Full Name
CVE-2023-471213.4 LOWDiscourse SSRF vulnerability in Embedding

IV. Related Vulnerabilities

Same product: discourse
Same vendor: discourse
Same weakness: CWE-200

V. Comments for CVE-2023-45816

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