What is CVE-2026-34562?

CVE-2026-34562 is a medium-severity vulnerability in Ci4-cms-erp Ci4ms, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-04-01.

How severe is CVE-2026-34562?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in Ci4-cms-erp Ci4ms

CVE-2026-34562

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to properly sanitize user-controlled input withi…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Ci4-cms-erp Ci4ms — versions < 0.31.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-v897-c6vq-6cr3 (x_refsource_CONFIRM)
https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34562?: CVE-2026-34562 is a medium-severity vulnerability in Ci4-cms-erp Ci4ms, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-04-01.
How severe is CVE-2026-34562?: Medium severity. CVSS v3 base score is 4.7 out of 10.