CVE-2018-6373: SQL Injection exists in the Fastball 2.5 component for Joomla! via the season parameter in a view=player actio

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-6373 is a critical-severity flaw (CVSS 9.8) affecting fastball. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL Injection exists in the Fastball 2.5 component for Joomla! via the season parameter in a view=player action.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-02-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fastballproductions

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

Am I affected?

Timeline

2018-02-17 07:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

fastballproductions fastball DOWNGRADE

Affected: 2.5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.0

1. Check installed version

apt-cache policy fastball || rpm -q fastball || fastball --version

2. No fixed release: DOWNGRADE to a release before 2.5.0 (Debian / Ubuntu)

apt-cache madison fastball sudo apt install fastball=<VERSION_BEFORE_2.5.0> sudo apt-mark hold fastball

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list fastball sudo dnf downgrade fastball-<VERSION_BEFORE_2.5.0> sudo dnf versionlock add fastball

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Joomla! Component Fastball 2.5 - 'season' SQL Injection

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-2018-6373?

fastball: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-6373 being exploited?

CVE-2018-6373 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-2018-6373 affect?

CVE-2018-6373 affects fastball. Severity is critical (CVSS 9.8). SQL Injection exists in the Fastball 2.5 component for Joomla! via the season parameter in a view=player action.

How urgent is CVE-2018-6373?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Joomla vulnerabilities

References

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