What is CVE-2026-2427?

CVE-2026-2427 is a medium-severity vulnerability in Kazunii Itsukaita, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-21.

How severe is CVE-2026-2427?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Kazunii Itsukaita

CVE-2026-2427

The itsukaita plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'day_from' and 'day_to' parameters in all versions up to, and including, 0.1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick an administrator into performing an action such as clicking on a link.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Kazunii Itsukaita — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-2427?: CVE-2026-2427 is a medium-severity vulnerability in Kazunii Itsukaita, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-21.
How severe is CVE-2026-2427?: Medium severity. CVSS v3 base score is 6.1 out of 10.