CVE-2026-50591
Medium
Description
In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences.
SeverityMedium
CVSS5.4
Exploit probability—
ProductZnuny
PublishedJun 5, 2026
First seenJun 5, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Znuny Znuny6.5.21, 7.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Znuny Znuny | 6.0.0 ≤ v < 6.5.21, 7.0.0 ≤ v < 7.3.3 | 6.5.21, 7.3.3 |
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