CVE-2023-50842 HIGH

CVE-2023-50842: WordPress MF Gig Calendar Plugin <= 1.2.1 is vulnerable to SQL Injection

Vendor Matthew Fries

Product MF Gig Calendar

Weakness CWE-89 · SQLi

Published December 28, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

8.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 Matthew Fries MF Gig Calendar.This issue affects MF Gig Calendar: from n/a through 1.2.1.

Explanation of Vulnerability in Simple Terms

02Summary

MF Gig Calendar versions up to 1.2.1 contain a SQL injection vulnerability in a network-accessible function that requires low-level authentication. An attacker with a valid user account can craft malicious input to read sensitive database records or disrupt site availability. The vulnerability affects multiple users and systems connected to the database.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the database or cause the site to become unavailable.

Potential impact on your site

04Site Impact

Unauthorized access to database records and potential service disruption if the site runs this calendar component.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low-level privileges on the site.

Key dates

06Disclosure timeline

December 28, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-50842 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/89.html AskarLabs — CWE-89 write-up SQL Injection

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