CVE-2026-34568 is a critical stored Cross-Site Scripting (XSS) vulnerability affecting CI4MS, a CodeIgniter 4-based CMS skeleton, in versions prior to 0.31.0.0. This flaw allows authenticated attackers with low privileges to inject malicious JavaScript into blog posts due to improper input sanitization, which is then stored and executed in multiple application views. Rated 9.1 CRITICAL, the vulnerability has a network attack vector and low attack complexity, potentially leading to high confidentiality impact such as session hijacking and data theft. While there is no known active exploitation or public exploit code available, the vulnerability has garnered community attention, with users urged to patch immediately to 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.