CVE-2023-0963Public exploitNetwork attack vector

Administrator account creation via unauthenticated Users.php POST

Published Feb 22, 2023 · Updated Nov 25, 2024

Improper access control in Music Gallery Site 1.0 allows remote attackers to create administrator accounts via crafted HTTP POST requests. Users.php routes f=save to account creation without verifying an authenticated session and accepts the submitted type value as the account role. Any network client that can reach the endpoint can create an administrator account and then control application data without prior credentials.

CVSS severity9.8
Critical
EPSS probability4.67%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Music Gallery Site 1.0 allows remote attackers to create administrator accounts via crafted HTTP POST requests. Users.php routes f=save to account creation without verifying an authenticated session and accepts the submitted type value as the account role. Any network client that can reach the endpoint can create an administrator account and then control application data without prior credentials.

The record

CVE
CVE-2023-0963
Published
Feb 22, 2023
Updated
Nov 25, 2024
Vendor
Online Computer and Laptop Store Project
Product
Music Gallery Site
Classifications
CWE-284, T1136
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 22, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 25, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · Music Gallery Siteversion=1.0

Published CVSS scores

7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
T1136Create Account

Public exploit references

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Technologies

Your stack

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Your stack

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