nofearinc DX Unanswered Comments Plugin up to 1.7 on WordPress Setting dxuc-unanswered-comments-admin-page.php dxuc_authors_list cross-site request forgery

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in nofearinc DX Unanswered Comments Plugin up to 1.7 on WordPress. Affected is the function dxuc_authors_list of the file dxuc-unanswered-comments-admin-page.php of the component Setting Handler. Such manipulation leads to cross-site request forgery. This vulnerability is listed as CVE-2026-4138. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in nofearinc DX Unanswered Comments Plugin up to 1.7 on WordPress and classified as problematic. Affected by this issue is the function dxuc_authors_list of the file dxuc-unanswered-comments-admin-page.php of the component Setting Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:

The DX Unanswered Comments plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.7. This is due to missing nonce validation on the plugin's settings form in the dxuc-unanswered-comments-admin-page.php file. This makes it possible for unauthenticated attackers to modify plugin settings (dxuc_authors_list and dxuc_comment_count) via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The weakness was presented by Muhammad Afnaan. The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2026-4138 since 03/13/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

By approaching the search of inurl:dxuc-unanswered-comments-admin-page.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.7 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (Wordfence): 🔒

CVSSv2info

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

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: DX Unanswered Comments Plugin 1.7

Timelineinfo

03/13/2026 CVE reserved
04/22/2026 +39 days Advisory disclosed
04/22/2026 +0 days VulDB entry created
04/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wordfence.com
Researcher: Muhammad Afnaan
Status: Confirmed

CVE: CVE-2026-4138 (🔒)
GCVE (CVE): GCVE-0-2026-4138
GCVE (VulDB): GCVE-100-358808

Entryinfo

Created: 04/22/2026 12:12
Changes: 04/22/2026 12:12 (69)
Complete: 🔍
Cache ID: 216::103

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