CVE-2020-9443

Zulip Desktop before 4.0.3 loaded untrusted content in an Electron webview with web security disabled, which can be exploited for XSS in a number of ways. This especially affects Zulip Desktop 2.3.82.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
zulipchatzulip_desktop
𝑥
< 4.0.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://blog.zulip.org/2020/02/29/zulip-desktop-4-0-3-security-release/
https://blog.zulip.org/2020/02/29/zulip-desktop-4-0-3-security-release/