XSS in Zulip Server

CVE-2018-9986

In Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Zulip Zulip_server
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9986?: CVE-2018-9986 is a medium-severity vulnerability in Zulip Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-18.
How severe is CVE-2018-9986?: Medium severity. CVSS v3 base score is 6.1 out of 10.