What is CVE-2017-5621?

CVE-2017-5621 is a medium-severity vulnerability in Zammad, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-03-13.

How severe is CVE-2017-5621?

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

XSS in Zammad

CVE-2017-5621

An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. XSS can be triggered via malicious HTML in a chat message or the content of a ticket article, when using either the REST API or the WebSocket API.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.3th 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

Zammad — versions 1.1.0, 1.1.1, 1.1.2
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-5621?: CVE-2017-5621 is a medium-severity vulnerability in Zammad, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-03-13.
How severe is CVE-2017-5621?: Medium severity. CVSS v3 base score is 6.1 out of 10.