CVE-2018-9107

Acymailing vulnerability

CVSS

8.8

EPSS

7.4%

EPSS pct

94th

Exploited

No known

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.

Affected vendor

Acyba

Affected product

Acymailing

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

Published

2018-03-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 7.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2018-9107

Confirm whether Acyba Acymailing is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-9107.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-9107

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-9107 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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