CVE-2018-9107

HIGHNVD 8.88.8—Trending — 3 sources updated this weekWeaponized

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 93.9%
KEV: Not listed

Published

March 28, 2018

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://vel.joomla.org/articles/2140-introducing-csv-injection
cve@mitrehttps://vel.joomla.org/resolved/2136-acymailing-5-9-5-csv-injection
cve@mitrehttps://www.acyba.com/acymailing/change-log.html
cve@mitrehttps://www.exploit-db.com/exploits/44369/
af854a3a-2127-422b-91ae-364da2661108https://vel.joomla.org/articles/2140-introducing-csv-injection
af854a3a-2127-422b-91ae-364da2661108https://vel.joomla.org/resolved/2136-acymailing-5-9-5-csv-injection
af854a3a-2127-422b-91ae-364da2661108https://www.acyba.com/acymailing/change-log.html
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/44369/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

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

Data Freshness Timeline

(refreshed 11× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 09:57 UTCEG score recompute
2026-05-28 09:57 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 01:43 UTCOSV refresh

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-44369✓ verified
First seen Mar 30, 2018
Joomla! Component Acymailing Starter 5.9.5 - CSV Macro Injection
Open source ↗

Frequently asked(5)

What is CVE-2018-9107?

CVE-2018-9107 is a high vulnerability published on March 28, 2018. 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.

When was CVE-2018-9107 disclosed?

CVE-2018-9107 was first published in the National Vulnerability Database on March 28, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-9107 actively exploited?

CVE-2018-9107 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-9107?

CVE-2018-9107 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2018-9107?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-9107, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-9107

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-9107?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)