CVE-2026-34564 is a critical stored DOM-based cross-site scripting (XSS) vulnerability affecting CI4MS versions prior to 0.31.0.0. This flaw allows malicious scripts to be stored and rendered unsafely due to improper input sanitization when adding pages to navigation menus via the Menu Management functionality. Rated 9.1 CRITICAL, it can be exploited remotely with low privileges and low attack complexity, requiring no user interaction, potentially leading to high confidentiality impact on administrative interfaces and public-facing menus. While there are no known active exploits or public exploit code, the vulnerability has garnered community discussion highlighting its criticality and ease of exploitation by low-privileged attackers. The issue is patched in version 0.31.0.0.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.31.0.0CPE matchmatch criteria | cpe:2.3:a:ci4-cms-erp:ci4ms:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.