How severe is CVE-2018-17254?

CVE-2018-17254 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 83% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17254?

CVE-2018-17254 affects Arkextensions Jck Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17254?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-17254 published?

CVE-2018-17254 was published on 2018-09-20 and last updated on 2026-06-17.

CVE-2018-17254

CVE-2018-17254 is a critical-severity vulnerability in Arkextensions Jck Editor with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 83% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 83% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Arkextensions Jck Editor
Published: 2018-09-20
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2018-17254?: The JCK Editor component 6.4.4 for Joomla! allows SQL Injection via the jtreelink/dialogs/links.php parent parameter.
How severe is CVE-2018-17254?: CVE-2018-17254 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 83% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17254?: CVE-2018-17254 affects Arkextensions Jck Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17254 published?: CVE-2018-17254 was published on 2018-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:arkextensions:jck_editor:6.4.4:*:*:*:*:joomla\!:*:*

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