CVE-2020-9443 describes a cross-site scripting (XSS) vulnerability in Zulip Desktop versions prior to 4.0.3, particularly affecting version 2.3.82. The vulnerability arises from the application loading untrusted content in an Electron webview with web security disabled. This medium-severity vulnerability (CVSS 6.1) has a network attack vector and low attack complexity, requiring user interaction. A successful exploit could lead to limited confidentiality and integrity impacts. There is no evidence of active exploitation, nor is public exploit code available (e.g., Metasploit, Nuclei, ExploitDB). The vulnerability has received minimal community attention and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.3CPE matchmatch criteria | cpe:2.3:a:zulipchat:zulip_desktop:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.