CVE-2023-4928Public exploitNetwork attack vector

Authenticated SQL injection via unchecked filter fields

Published Sep 13, 2023 · Updated Sep 25, 2024

SQL injection in InstantCMS 2 before 2.16.1 allows remote authenticated users to execute arbitrary SQL through advanced grid filters. The datagrid filter path passes attacker-selected field names into cmsModel database predicates without verifying that the named columns exist. Administrative access is required; successful injection permits reading or altering application data and interrupting service.

CVSS severity7.2
High
EPSS probability0.90%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in InstantCMS 2 before 2.16.1 allows remote authenticated users to execute arbitrary SQL through advanced grid filters. The datagrid filter path passes attacker-selected field names into cmsModel database predicates without verifying that the named columns exist. Administrative access is required; successful injection permits reading or altering application data and interrupting service.

The record

CVE
CVE-2023-4928
Published
Sep 13, 2023
Updated
Sep 25, 2024
Vendor
InstantCMS Team
Product
InstantCMS 2
Classifications
CWE-89, T1213
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 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=0 <2.16.1
  2. Affected versionversion=unspecified <2.16.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

InstantCMS Team · InstantCMS 2version=0 <2.16.1; version=unspecified <2.16.1

Published CVSS scores

7.2huntr.devCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1213Data from Information Repositories

Public exploit references

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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