Which products and versions are affected by CVE-2018-17254?

Affected: Jck Editor (Arkextensions) versions 6.4.4. The full list is in the CVE brief.

Is CVE-2018-17254 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 14, 2025.

Is CVE-2018-17254 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2018-17254?

Public exploit code is available.

Is there a fix for CVE-2018-17254?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2018-17254 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2018-17254

CriticalExploitedPublic exploit

The JCK Editor component 6.4.4 for Joomla!

Published Sep 20, 2018 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2018-17254 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Jck Editor (Arkextensions).
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 14, 2025. Public exploit code is available.
EPSS estimates a 83% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

83%

Higher than 99.6% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2018-17254 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

The JCK Editor component 6.4.4 for Joomla! allows SQL Injection via the jtreelink/dialogs/links.php parent parameter.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Sep 14, 2025	n/a	Not reported
CIRCL KEV	Sep 8, 2026	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Jck EditorArkextensions	6.4.4	n/a

Timeline

Publicly disclosed
Sep 20, 2018
Last updated
Nov 21, 2024
Added to Industry KEV feed
Sep 14, 2025
Added to CIRCL KEV
Sep 8, 2026

Weakness Type

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

exploithttp://packetstormsecurity.com/files/161683/Joomla-JCK-Editor-6.4.4-SQL-Injection.html
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report

9 more references in the full CVE brief

FAQ

Common Questions.

The JCK Editor component 6.4.4 for Joomla!
Affected: Jck Editor (Arkextensions) versions 6.4.4. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 14, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2018-17254 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.