CVE-2020-26035

MEDIUM 5.4CVE-2020-26035 · Published 28/12/2020 · updated 17/06/2026

In short

CVE-2020-26035 is a MEDIUM (CVSS 5.4) vulnerability affecting zammad (zammad).
Chance of exploitation in the next 30 days (EPSS): 0.55%, higher than 45.7% of all vulnerabilities.
Fix: update to 3.4.1 or later.

Package	Affected versions	Patched versions
zammad zammad	`≥ 1.0.0, < 3.4.1`	`3.4.1`

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

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Package

Affected versions

Patched versions

≥ 1.0.0, < 3.4.1

3.4.1

More vulnerabilities in zammad

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