XSS in Zammad

CVE-2020-26035

An issue was discovered in Zammad before 3.4.1. There is Stored XSS via a Tags element in a TIcket.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Zammad
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-26035?: CVE-2020-26035 is a medium-severity vulnerability in Zammad, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-12-28.
How severe is CVE-2020-26035?: Medium severity. CVSS v3 base score is 5.4 out of 10.