CVE-2023-51479Network attack vector

Subscriber-to-administrator escalation via arbitrary user metadata

Published May 17, 2024 · Updated Apr 28, 2026

Improper authorization in Abdul Hakeem Build App Online 1.0.20 and earlier allows remote authenticated users to gain administrator privileges. The update_user_meta_value function accepts arbitrary user metadata changes without an authorization check, including role-bearing metadata. Subscriber access is sufficient to grant an account administrator privileges and take control of the WordPress site.

CVSS severity8.8
High
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Abdul Hakeem Build App Online 1.0.20 and earlier allows remote authenticated users to gain administrator privileges. The update_user_meta_value function accepts arbitrary user metadata changes without an authorization check, including role-bearing metadata. Subscriber access is sufficient to grant an account administrator privileges and take control of the WordPress site.

The record

CVE
CVE-2023-51479
Published
May 17, 2024
Updated
Apr 28, 2026
Vendor
Rahamsolutions
Product
Build App Online
Classifications
CWE-269, CWE-862, CAPEC-233, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 17, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record 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=n/a <=1.0.19

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Rahamsolutions · Build App Onlineversion=n/a <=1.0.19

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8PatchstackCVSS:3.1/AV:N/AC:L/PR:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
CWE-862Missing Authorization
CAPEC-233Privilege Escalation
T1098Account Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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