CVE-2026-34562

critical

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support.

Vendor / product: Ci4-cms-erp — ci4ms

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 within System Settings – Company Information. Several administrative configuration fields accept attacker-controlled input that is stored server-side and later rendered without proper output encoding. This issue has been patched in version 0.31.0.0.

CVSS

9.0

9.0 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (nvd@nist.gov)

Timeline (UTC)

Published: 2026-04-01 22:16

Modified: 2026-10-26 21:10

NVD status: Analyzed

Last synced 3 days ago

Verified against the source API 2026-10-27 07:07 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

ci4-cms-erp / ci4ms <0.31.0.0

Weakness classification (CWE)

CWE-79

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-v897-c6vq-6cr3

References

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

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗

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CVE-2026-34562

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Weakness classification (CWE)

Mitigation & advisories

References

Data sources

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