CVE-2021-35300

4.3 mediumEPSS 0.9%

Medium (4.3) in zammad zammad. EPSS 0.9% chance of exploitation in the next 30 days.

Text injection/Content Spoofing in 404 page in Zammad 1.0.x up to 4.0.0 could allow remote attackers to manipulate users into visiting the attackers' page.

Severity

CVSS 3.1

4.3 medium

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-1021
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-2021-07
https://zammad.com/en/advisories/zaa-2021-07

Check your stack JSON