What is CVE-2020-9443?

CVE-2020-9443 is a medium-severity vulnerability in Zulipchat Zulip Desktop, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-18.

How severe is CVE-2020-9443?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Zulipchat Zulip Desktop

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (47.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Zulipchat Zulip_desktop
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9443?: CVE-2020-9443 is a medium-severity vulnerability in Zulipchat Zulip Desktop, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-18.
How severe is CVE-2020-9443?: Medium severity. CVSS v3 base score is 6.1 out of 10.