CVE-2021-35298

6.1 mediumEPSS 1.5%

Medium (6.1) in zammad zammad. EPSS 1.5% chance of exploitation in the next 30 days.

Cross Site Scripting (XSS) in Zammad 1.0.x up to 4.0.0 allows remote attackers to execute arbitrary web script or HTML via multiple models that contain a 'note' field to store additional information.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-06-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zammad:zammad

References

https://zammad.com/en/advisories/zaa-2021-03
https://zammad.com/en/advisories/zaa-2021-03

Check your stack JSON