HOMEVULNERABILITIESCVE-2023-31857
CRITICAL

CVE-2023-31857

CWE-434Published: May 16, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Sourcecodester Online Computer and Laptop Store 1.0 allows unrestricted file upload and can lead to remote code execution. The vulnerability path is /classes/Users.php?f=save.

NVD Source

Risk Analysis

The Online Computer and Laptop Store v1.0 application allows for unrestricted file uploads, which can lead to remote code execution. This critical vulnerability allows attackers to upload malicious files to the server.

There is no public exploit known for this vulnerability, and it is not in the CISA KEV. It is remotely exploitable with low complexity.

Recommended Action

Implement strict file type validation and restrict upload directories to prevent the execution of uploaded scripts. Apply any available updates from the vendor.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-31857 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

oretnom231 product(s)
online computer and laptop store
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2023-31857
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedMay 16, 2023

Related CVEs (CWE-434)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-31857 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.