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Mw Wp Form CVE-2023-28408

CRITICAL
Path Traversal (CWE-22)
2023-05-23 vultures@jpcert.or.jp
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

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

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 1.8% exploitation probability (EPSS)

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AnalysisAI

Directory traversal vulnerability in MW WP Form versions v4.4.2 and earlier allows a remote unauthenticated attacker to alter the website or cause a denial-of-service (DoS) condition, and obtain. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

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 Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Directory traversal vulnerability in MW WP Form versions v4.4.2 and earlier allows a remote unauthenticated attacker to alter the website or cause a denial-of-service (DoS) condition, and obtain sensitive information depending on settings. Affected products include: Mw Wp Form Project Mw Wp Form.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/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
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Directory traversal vulnerability in MW WP Form versions v4.4.2 and earlier allows a remote unauthenticated attacker to alter the website or cause a denial-of-service (DoS) condition, and obtain sensitive information depending on settings.

Threat Intelligence Overview

EPSS Score
1.8%
Top 24% 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 CRITICAL
CISA KEV No
Public POC No
EPSS 1.8%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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
Yes
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)NVD

cpe:2.3:a:mw_wp_form_project:mw_wp_form:*:*:*:*:*:wordpress:*:*
CVE-2023-6316 CRITICAL
9.8 Jan 11

The MW WP Form plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in

CVE-2023-28409 CRITICAL
9.8 May 23

Unrestricted upload of file with dangerous type exists in MW WP Form versions v4.4.2 and earlier, which may allow a remo

CVE-2026-78363 MEDIUM POC
4.8 Sep 01

Shortcode injection in MW WP Form WordPress plugin (versions before 5.1.5) allows unauthenticated remote attackers to ex

CVE-2023-6559 HIGH
7.5 Dec 16

The MW WP Form plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 5.0.3

CVE-2026-5436 HIGH
8.1 Apr 08

Arbitrary file manipulation in MW WP Form plugin (WordPress) versions ≤5.1.1 allows unauthenticated attackers to move se

CVE-2026-4347 HIGH
8.1 Apr 02

Arbitrary file movement in MW WP Form plugin for WordPress (all versions ≤5.1.0) allows unauthenticated remote attackers

CVE-2026-78364 LOW POC
3.5 Aug 30

Stored XSS in the MW WP Form WordPress plugin (all versions before 5.1.6) lets authenticated users holding the Editor ro

CVE-2026-96567 HIGH
7.2 Oct 02

Stored cross-site scripting in the MW WP Form plugin for WordPress (all versions up to and including 5.1.7) lets an unau

CVE-2026-48871 HIGH
7.1 Jun 15

Reflected or stored Cross-Site Scripting in the MW WP Form WordPress plugin (versions <= 5.1.3) allows remote unauthenti

CVE-2024-24804 MEDIUM
6.5 Feb 10

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in websoudan MW WP Fo

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