Acyba AcyMailing Extension up to 5.9.5 on Joomla CSV Export input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Acyba AcyMailing Extension up to 5.9.5 on Joomla. This vulnerability affects unknown code of the component CSV Export. The manipulation leads to input validation. This vulnerability is documented as CVE-2018-9107. The attack can be initiated remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Acyba AcyMailing Extension up to 5.9.5 on Joomla (Joomla Component) and classified as critical. This issue affects an unknown functionality of the component CSV Export. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 03/26/2018. The weakness was released 03/28/2018 (Website). It is possible to read the advisory at vel.joomla.org. The identification of this vulnerability is CVE-2018-9107 since 03/27/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11960 (Joomla! Acyba AcyMailing Extension Formula Injection Vulnerability).

Upgrading to version 5.9.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44369). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AcyMailing Extension 5.9.6

Timelineinfo

03/26/2018 🔍
03/27/2018 +1 days 🔍
03/28/2018 +1 days 🔍
03/28/2018 +0 days 🔍
03/28/2018 +0 days 🔍
05/31/2025 +2621 days 🔍

Sourcesinfo

Advisory: vel.joomla.org
Status: Confirmed

CVE: CVE-2018-9107 (🔍)
GCVE (CVE): GCVE-0-2018-9107
GCVE (VulDB): GCVE-100-115151
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/28/2018 23:11
Updated: 05/31/2025 13:17
Changes: 03/28/2018 23:11 (63), 06/27/2020 10:21 (4), 05/31/2025 13:17 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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