CVE-2026-34989: ci4ms before 0.31.0.0 (exclusive), < 31.0.0.0

CVE-2026-34989. CVSS 3.1 base score 9.0 (CRITICAL, NVD). EPSS 0.00447 (percentile 0.37816), scored 22-Oct-2026.

Affected technology

ci4ms · before 0.31.0.0 (exclusive)
ci4-cms-erp

ci4ms · < 31.0.0.0
ci4-cms-erp

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An attacker can inject a malicious JavaScript payload into their profile name, which is then stored server-side. Vendor/CNA’s CVSS 4.0 assessment (base score 9.4/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-79
CCR priority: 36.1 /100 (P4)
CVSS 3.1: 9.0 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H · NVD
EPSS: 0.00447 · percentile 0.37816 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-34989.html