How severe is CVE-2018-5989?

CVE-2018-5989 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-2018-5989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5989?

CVE-2018-5989 affects Chillcreations Ccnewsletter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5989?

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-2018-5989 published?

CVE-2018-5989 was published on 2018-02-17 and last updated on 2026-06-17.

CVE-2018-5989

CVE-2018-5989 is a critical-severity vulnerability in Chillcreations Ccnewsletter with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. 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: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Chillcreations Ccnewsletter
Published: 2018-02-17
Last modified: 2026-06-17

Description

SQL Injection exists in the ccNewsletter 2.x component for Joomla! via the id parameter in a task=removeSubscriber action, a related issue to CVE-2011-5099.

Frequently asked questions

What is CVE-2018-5989?: SQL Injection exists in the ccNewsletter 2.x component for Joomla! via the id parameter in a task=removeSubscriber action, a related issue to CVE-2011-5099.
How severe is CVE-2018-5989?: CVE-2018-5989 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-2018-5989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5989?: CVE-2018-5989 affects Chillcreations Ccnewsletter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5989?: 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-2018-5989 published?: CVE-2018-5989 was published on 2018-02-17 and last updated on 2026-06-17.

References

https://exploit-db.com/exploits/44132

Affected products (1)

cpe:2.3:a:chillcreations:ccnewsletter:*:*:*:*:*:joomla\!:*:*

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