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Acymailing CVE-2024-7384

HIGH
Unrestricted Upload of File with Dangerous Type (CWE-434)
2024-08-22 security@wordfence.com
8.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK

2 techniques across 2 tactics: Command and Control, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 1.0% exploitation probability (EPSS)

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AnalysisAI

The AcyMailing - An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. The AcyMailing - An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the acym_extractArchive function in all versions up to, and including, 9.7.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible. Affected products include: Acymailing.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

The AcyMailing - An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the acym_extractArchive function in all versions up to, and including, 9.7.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Threat Intelligence Overview

EPSS Score
1.0%
Top 43% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 1.0%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:acymailing:acymailing:*:*:*:*:*:wordpress:*:*
CVE-2023-28731 CRITICAL POC
9.8 Mar 30

AnyMailing Joomla Plugin is vulnerable to unauthenticated remote code execution, when being granted access to the campai

CVE-2018-9107 HIGH POC
8.8 Mar 28

CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export feature in the Acyba AcyMailing exte

CVE-2026-14920 HIGH POC
8.2 Aug 02

Unauthenticated SQL injection in AcyMailing WordPress plugin (versions before 10.11.1) allows remote attackers to read s

CVE-2021-24288 MEDIUM POC
6.1 May 17

When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Rated medium severity (CVSS 6.1),

CVE-2023-28732 HIGH
7.5 Mar 30

Missing access control in AnyMailing Joomla Plugin allows to list and access files containing sensitive information from

CVE-2020-10934 HIGH
7.2 Mar 24

Acyba AcyMailing before 6.9.2 mishandles file uploads by admins. Rated high severity (CVSS 7.2), this vulnerability is r

CVE-2023-41867 MEDIUM
6.1 Sep 25

Unauth. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low at

CVE-2023-39971 MEDIUM
6.1 Aug 17

Improper Neutralization of Input During Web Page Generation vulnerability in AcyMailing Enterprise component for Joomla

CVE-2023-28733 MEDIUM
6.1 Mar 30

AnyMailing Joomla Plugin is vulnerable to stored cross site scripting (XSS) in templates and emails of AcyMailing, explo

CVE-2023-39974 MEDIUM
5.3 Aug 17

Exposure of Sensitive Information vulnerability in AcyMailing Enterprise component for Joomla. Rated medium severity (CV

CVE-2023-39973 MEDIUM
4.3 Aug 17

Improper Access Control vulnerability in AcyMailing Enterprise component for Joomla. Rated medium severity (CVSS 4.3), t

CVE-2023-39972 MEDIUM
4.3 Aug 17

Improper Access Control vulnerability in AcyMailing Enterprise component for Joomla. Rated medium severity (CVSS 4.3), t

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