How severe is CVE-2018-9107?

CVE-2018-9107 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-2018-9107 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9107?

CVE-2018-9107 affects Acyba Acymailing. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9107?

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-2018-9107 published?

CVE-2018-9107 was published on 2018-03-28 and last updated on 2026-06-17.

CVE-2018-9107

CVE-2018-9107 is a high-severity vulnerability in Acyba Acymailing 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-1236.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Acyba Acymailing
Published: 2018-03-28
Last modified: 2026-06-17

Description

CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export feature in the Acyba AcyMailing extension before 5.9.6 for Joomla! via a value that is mishandled in a CSV export.

Frequently asked questions

What is CVE-2018-9107?: CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export feature in the Acyba AcyMailing extension before 5.9.6 for Joomla! via a value that is mishandled in a CSV export.
How severe is CVE-2018-9107?: CVE-2018-9107 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-2018-9107 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9107?: CVE-2018-9107 affects Acyba Acymailing. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9107?: 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-2018-9107 published?: CVE-2018-9107 was published on 2018-03-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:acyba:acymailing:*:*:*:*:*:joomla\!:*:*

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