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CVE-2022-21642— Exposure of whisper participants in discourse

Quick assessment

Affected
discourse discourse
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 存在安全漏洞，该漏洞源于在受影响的版本中，当根据主题编写消息时，编写器的用户建议会显示耳语参与者。该问题已在稳定版2.7.13和beta版2.8.0.beta11中修复。此问题没有解决方法，建议用户进行升级。

CVSS 4.3 · Medium EPSS 0.73% · P52

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2022-21642

Vulnerability Information
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Vulnerability Title
Exposure of whisper participants in discourse
Source: CVE Program / CVE List V5
Vulnerability Description
Discourse is an open source platform for community discussion. In affected versions when composing a message from topic the composer user suggestions reveals whisper participants. The issue has been patched in stable version 2.7.13 and beta version 2.8.0.beta11. There is no workaround for this issue and users are advised to upgrade.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Discourse 信息泄露漏洞
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 存在安全漏洞，该漏洞源于在受影响的版本中，当根据主题编写消息时，编写器的用户建议会显示耳语参与者。该问题已在稳定版2.7.13和beta版2.8.0.beta11中修复。此问题没有解决方法，建议用户进行升级。
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 < 2.7.13 -

II. Public POCs for CVE-2022-21642

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III. Intelligence Information for CVE-2022-21642

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Patches & Fixes for CVE-2022-21642 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2022-21642

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