CVE-2023-5812

flusity CMS upload.php handleFileUpload unrestricted upload

HIGH
8.8
CVSS Score
Published: October 27, 2023 at 01:31 AM UTC
Updated: June 17, 2026 at 06:49 AM UTC
1 product affected across 1 vendorFlusity

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2.304

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

ExploitIssue TrackingThird Party Advisory
https://github.com/flusity/flusity-CMS/issues/4
SignaturePermissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?ctiid.243643
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.243643

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-434

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