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CVE Record

CVE-2019-14364: An XSS vulnerability in the "Email Subscribers & Newsletters" plugin 4.1.6 for WordPress allows an attacker...

An XSS vulnerability in the "Email Subscribers & Newsletters" plugin 4.1.6 for WordPress allows an attacker to inject malicious JavaScript code through a publicly available subscription form using the esfpx_name wp-admin/admin-ajax.php POST parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2019-14364 is a cross-site scripting issue in the WordPress “Email Subscribers & Newsletters” plugin version 4.1.6. A public subscription form could accept attacker-controlled JavaScript in the subscriber name field. If triggered, this could affect site visitors or administrators who view the injected content.

Executive priority

Treat this as a moderate website integrity and brand-risk issue. Prioritize internet-facing WordPress sites because the vulnerable input is described as publicly available, but do not treat it as confirmed ransomware or active exploitation based on this bundle.

Technical view

The CVE describes XSS via the publicly reachable subscription workflow, specifically the esfpx_name POST parameter sent to wp-admin/admin-ajax.php in plugin version 4.1.6. The source bundle does not provide CVSS, CWE, fixed-version details, or confirmed exploit activity.

Likely exposure

Exposure is most likely on WordPress sites running Email Subscribers & Newsletters 4.1.6 with the subscription form enabled or reachable publicly.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. Public references include a GitHub write-up and WPVulnDB entry, so defenders should assume the issue is publicly known.

Researcher notes

The affected product field in the bundle is not normalized, but the CVE description names the WordPress plugin and version 4.1.6. Evidence is incomplete on impact scope, storage behavior, authentication requirements beyond public form access, and fixed version.

Mitigation direction

  • Inventory WordPress sites for Email Subscribers & Newsletters version 4.1.6.
  • Check the WordPress plugin developer page for vendor-confirmed fixed versions or guidance.
  • Update to a vendor-supported fixed release if one is available.
  • Disable or remove the plugin if timely remediation is not possible.
  • Review exposed subscription forms and reduce unnecessary public access.

Validation and detection

  • Confirm whether each WordPress site has the affected plugin installed.
  • Verify the installed plugin version against 4.1.6.
  • Check whether public subscription forms are enabled and reachable.
  • Review logs for unusual POST activity to wp-admin/admin-ajax.php.
  • Validate remediation by confirming the plugin version changed or the form is disabled.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2019-14364 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.