CVE-2023-33924 HIGH

CVE-2023-33924: WordPress SIS Handball Plugin <= 1.0.45 is vulnerable to SQL Injection

Vendor Felix Welberg

Product SIS Handball

Weakness CWE-89 · SQLi

Published November 6, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.6/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction None

Confidentiality High

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Felix Welberg SIS Handball allows SQL Injection.This issue affects SIS Handball: from n/a through 1.0.45.

Explanation of Vulnerability in Simple Terms

02Summary

SIS Handball versions up to 1.0.45 contain a SQL injection vulnerability in a high-privilege function. An authenticated administrator can craft malicious input to read or modify database contents. The vulnerability affects confidentiality and availability but requires admin-level access to exploit.

What an attacker can do

03Attacker Capabilities

Read or modify database records if authenticated as an administrator.

Potential impact on your site

04Site Impact

An admin account compromise could expose or alter handball league data and user information stored in the database.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the application.

Key dates

06Disclosure timeline

November 6, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-33924 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/89.html AskarLabs — CWE-89 write-up SQL Injection

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