What is CVE-2026-58144?

CVE-2026-58144 is a medium-severity vulnerability in Cotonti, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-09.

How severe is CVE-2026-58144?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Cotonti

CVE-2026-58144

Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cotonti — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (technical-description, exploit)

Frequently asked questions

What is CVE-2026-58144?: CVE-2026-58144 is a medium-severity vulnerability in Cotonti, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-09.
How severe is CVE-2026-58144?: Medium severity. CVSS v3 base score is 5.4 out of 10.