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CVE-2023-43814— Exposure of poll options and votes to unauthorized users in Discourse

CVSS 3.7 · Low EPSS 0.32% · P55
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I. Basic Information for CVE-2023-43814

Vulnerability Information
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Vulnerability Title
Exposure of poll options and votes to unauthorized users in Discourse
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open source platform for community discussion. Attackers with details specific to a poll in a topic can use the `/polls/grouped_poll_results` endpoint to view the content of options in the poll and the number of votes for groups of poll participants. This impacts private polls where the results were intended to only be viewable by authorized users. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. There is no workaround for this issue apart from upgrading to the fixed version.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/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 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存在访问控制错误漏洞，该漏洞源于允许未经授权的攻击者通过/polls/grouped_poll_results端点来查看隐私内容。受影响的产品和版本：Discourse stable 3.1.1及之前版本， beta 3.2.0.beta2及之前版本，tests-passed 3.2.0.beta2及之前版本。
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 stable <= 3.1.1 -

II. Public POCs for CVE-2023-43814

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III. Intelligence Information for CVE-2023-43814

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Same Patch Batch · discourse · 2023-10-16 · 7 CVEs total

CVE-2023-436588.0 HIGHImproper escaping of user input in discourse-calendar
CVE-2023-436598.0 HIGHCross-site Scripting via email preview when CSP disabled in Discourse
CVE-2023-451317.5 HIGHUnauthenticated access to new private chat messages in Discourse
CVE-2023-443887.5 HIGHMalicious requests can fill up the log files resulting in a deinal of service in Discourse
CVE-2023-443915.3 MEDIUMPrevent unauthorized access to summary details in Discourse
CVE-2023-451474.9 MEDIUMArbitrary keys can be added to a topic's custom fields by any user in Discourse

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-43814

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