TI-2023-05348 Aliases CVE-2023-5812 GHSA-q322-hrh5-626c

flusity CMS upload.php handleFileUpload unrestricted upload

LOW 39CWE-434Published 2023-10-27 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

A vulnerability has been found in flusity CMS and classified as critical. Affected by this vulnerability is the function handleFileUpload of the file core/tools/upload.php. The manipulation of the argument uploaded_file leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The associated identifier of this vulnerability is VDB-243643.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0079 56th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
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
flusity	CMS	all versions	—	No fix listed	CNA

CMS Vendorflusity Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:flusity:flusity::::::::	up to 2.304	Vulnerable	flusity

cpe:2.3:a:flusity:flusity:*:*:*:*:*:*:*:* Versions up to 2.304 Vulnerable ·flusity

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-5812
2026-10-03 Alias added: GHSA-q322-hrh5-626c

References

Exploit 1

https://github.com/flusity/flusity-CMS/issues/4

TI-2024-21322 An issue in flusity CMS v2.33 allows a remote attacker to execute arbitrary code via the add_addon.php component. CVSS 3.1CRITICAL 9.8
TI-2024-16763 Directory Traversal vulnerability in flusity CMS v.2.4 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
TI-2024-17412 flusity-CMS v2.33 was discovered to contain a Cross-Site Request Forgery (CSRF) via the… CVSS 3.1HIGH 8.8
TI-2024-16735 flusity-CMS v2.33 was discovered to contain a Cross-Site Request Forgery (CSRF) via the… CVSS 3.1HIGH 8.8
TI-2024-16734 flusity-CMS v2.33 was discovered to contain a Cross-Site Request Forgery (CSRF) via the… CVSS 3.1HIGH 8.8
TI-2024-16166 Cross Site Request Forgery (CSRF) vulnerability in flusity-CMS v.2.33, allows remote… CVSS 3.1HIGH 8.8

See all 27 →

Sources

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