TI-2026-80999 Aliases CVE-2026-116623 GHSA-w426-2r79-q458

Missing authorization in Simple Content Management System admin page

HIGH 70CWE-862Published 2026-10-27 · Updated 2026-10-31

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

code-projects Simple Content Management System from 1.0 has a missing authorization flaw (CWE-862) in the admin interface file /web/admin/welcome.php. Manipulating the addnews argument lets a remote attacker without privileges or user interaction affect confidentiality, integrity and availability to a limited degree. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

A vulnerability was detected in code-projects Simple Content Management System 1.0. Impacted is an unknown function of the file /web/admin/welcome.php of the component Admin Interface. The manipulation of the argument addnews results in missing authorization. The attack can be launched remotely. The exploit is now public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00388 33rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
code-projects	Simple Content Management System	1.0	—	No fix listed	CNA

Simple Content Management System Vendorcode-projects Affected 1.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:code-projects:simple_content_management_system::::::::	—	—	code-projects

cpe:2.3:a:code-projects:simple_content_management_system:*:*:*:*:*:*:*:* Versions — — ·code-projects

Remediation

The sources list no fixed version for Simple Content Management System.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Timeline

2026-10-27 Threatist record created from CVE-2026-116623
2026-10-27 Alias added: GHSA-w426-2r79-q458
2026-10-27 Priority changed: MEDIUM → LOW
2026-10-31 CISA SSVC decision points changed
2026-10-31 Priority changed: LOW → HIGH

References

Exploit 1

https://github.com/YoonSunWoo02/CVE-simple-cms-broken-access-control

Other 1

https://code-projects.org/

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TI-2023-19196 Code-projects Online Restaurant Management System 1.0 is vulnerable to SQL Injection. CVSS 3.1CRITICAL 9.8
TI-2024-02807 code-projects Online Book System index.php sql injection CVSS 3.1CRITICAL 9.8
TI-2024-02735 code-projects Mobile Shop Login Page Details.php sql injection CVSS 3.1CRITICAL 9.8

See all 1480 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences