How severe is CVE-2018-16387?

CVE-2018-16387 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16387?

CVE-2018-16387 affects Elefantcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16387?

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

When was CVE-2018-16387 published?

CVE-2018-16387 was published on 2018-09-03 and last updated on 2026-06-17.

CVE-2018-16387

CVE-2018-16387 is a high-severity vulnerability in Elefantcms with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Elefantcms
Published: 2018-09-03
Last modified: 2026-06-17

Description

An issue was discovered in Elefant CMS before 2.0.5. There is a CSRF vulnerability that can add an account via user/add.

Frequently asked questions

What is CVE-2018-16387?: An issue was discovered in Elefant CMS before 2.0.5. There is a CSRF vulnerability that can add an account via user/add.
How severe is CVE-2018-16387?: CVE-2018-16387 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16387?: CVE-2018-16387 affects Elefantcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-16387 published?: CVE-2018-16387 was published on 2018-09-03 and last updated on 2026-06-17.

References

https://github.com/jbroadway/elefant/issues/285

Affected products (1)

cpe:2.3:a:elefantcms:elefantcms:*:*:*:*:*:*:*:*

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