CVE-2023-33924Network attack vector

Unauthenticated arbitrary SQL execution

Published Nov 6, 2023 · Updated Apr 28, 2026

SQL injection in Felix Welberg SIS Handball 1.0.45 and earlier allows remote attackers to execute arbitrary SQL via network requests. Patchstack has not published the vulnerable request handler, parameter, or database call that fails to neutralize attacker-controlled input. Network access to a WordPress site running the plugin is the only documented gate, while the specific database consequences remain undisclosed.

CVSS severity9.8
Critical
EPSS probability0.69%
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 Felix Welberg SIS Handball 1.0.45 and earlier allows remote attackers to execute arbitrary SQL via network requests. Patchstack has not published the vulnerable request handler, parameter, or database call that fails to neutralize attacker-controlled input. Network access to a WordPress site running the plugin is the only documented gate, while the specific database consequences remain undisclosed.

The record

CVE
CVE-2023-33924
Published
Nov 6, 2023
Updated
Apr 28, 2026
Vendor
Felix Welberg
Product
SIS Handball
Classifications
CWE-89, CAPEC-66, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 6, 2023CVE 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 <=1.0.45

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Felix Welberg · SIS Handballversion=n/a <=1.0.45

Published CVSS scores

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.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CAPEC-66SQL Injection
T1190Exploit Public-Facing Application

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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