CVE-2023-50842: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Matthew

Q: How do I fix CVE-2023-50842?

mf gig calendar: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-50842 being exploited?

CVE-2023-50842 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-50842 affect?

CVE-2023-50842 affects mf gig calendar. Severity is high (CVSS 8.5). 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.

This month

HIGH 8.5UPGRADE

CVE-2023-50842 is a high-severity flaw (CVSS 8.5) affecting mf gig calendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-12-28
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: mf gig calendar project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-12-28 19:15 UTCPublished CVE record published
2026-06-17 06:40 UTCUpdated Record last modified

mf gig calendar project mf gig calendar UPGRADE

Affected: <= 1.2.1

Fixed in: newer than 1.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mf-gig-calendar || rpm -q mf-gig-calendar || mf-gig-calendar --version

2. UPGRADE to newer than 1.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mf-gig-calendar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mf-gig-calendar

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-50842?

mf gig calendar: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Is CVE-2023-50842 being exploited?

CVE-2023-50842 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-50842 affect?

CVE-2023-50842 affects mf gig calendar. Severity is high (CVSS 8.5). 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.

How urgent is CVE-2023-50842?

Priority 40/100. High severity

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References

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