XSS in Faktor Vier F4 Post Tree

CVE-2025-22499

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FAKTOR VIER F4 Post Tree f4-tree allows Reflected XSS.This issue affects F4 Post Tree: from n/a through <= 1.1.18.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-22499?
CVE-2025-22499 is a high-severity vulnerability in Faktor Vier F4 Post Tree, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-01-13.
How severe is CVE-2025-22499?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-22499 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.