CVE-2017-18871

An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
VendorProductVersion
mattermostmattermost_server
𝑥
< 4.2.2
mattermostmattermost_server
4.3.0 ≤
𝑥
< 4.3.4
mattermostmattermost_server
4.4.0 ≤
𝑥
< 4.4.5
mattermostmattermost_server
4.5.0:rc1
mattermostmattermost_server
4.5.0:rc2
mattermostmattermost_server
4.5.0:rc3
mattermostmattermost_server
4.5.0:rc4
𝑥
= Vulnerable software versions
References
https://mattermost.com/security-updates/
https://mattermost.com/security-updates/