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I. Basic Information for CVE-2023-43754
Vulnerability Information

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Vulnerability Title
Permalink previews displayed for posts in archived channels even if users are disallowed to view archived channels
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost fails to check whether the  “Allow users to view archived channels”  setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled. 
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 存在安全漏洞,该漏洞源于无法检查在永久链接预览显示期间是否启用“Allow users to view archived channels”设置,即使禁用“Allow users to view archived channels”设置,也允许成员查看存档频道的永久链接预览。
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
MattermostMattermost 0 ~ 7.8.12 -
II. Public POCs for CVE-2023-43754
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III. Intelligence Information for CVE-2023-43754
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IV. Related Vulnerabilities
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