HOMEVULNERABILITIESCVE-2023-4139
HIGH

CVE-2023-4139

CWE-200Published: August 4, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Sensitive Information Exposure via Directory Listing due to missing restriction in export folder indexing in versions up to, and including, 7.9.8. This makes it possible for unauthenticated attackers to list and view exported files.

NVD Source

Technical Analysis

CVE-2023-4139 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

smackcoders1 product(s)
wp ultimate csv importer
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://plugins.trac.wordpress.org/changeset/2944635/wp-ultimate-csv-importer/trunk/wp-ultimate-csv-importer.php
PATCHhttps://plugins.trac.wordpress.org/changeset/2944635/wp-ultimate-csv-importer/trunk/wp-ultimate-csv-importer.php
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/6404476e-0c32-4f8e-882f-6a1785ba5748?source=cve
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/6404476e-0c32-4f8e-882f-6a1785ba5748?source=cve

All References (4)

→
https://plugins.trac.wordpress.org/changeset/2944635/wp-ultimate-csv-importer/trunk/wp-ultimate-csv-importer.phpPatch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/6404476e-0c32-4f8e-882f-6a1785ba5748?source=cveThird Party Advisory
→
https://plugins.trac.wordpress.org/changeset/2944635/wp-ultimate-csv-importer/trunk/wp-ultimate-csv-importer.phpPatch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/6404476e-0c32-4f8e-882f-6a1785ba5748?source=cveThird Party Advisory

Quick Facts

CVE IDCVE-2023-4139
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedAug 4, 2023

Related CVEs (CWE-200)

CVE-2020-13702
10.0
CVE-2025-61481
10.0
CVE-2008-3010
10.0
CVE-2017-2320
10.0
CVE-2025-53624
10.0
CVE-2025-29270
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-4139 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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