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CVE Record

CVE-2018-19287: XSS in the Ninja Forms plugin before 3.3.18 for WordPress allows Remote Attackers to execute JavaScript via...

XSS in the Ninja Forms plugin before 3.3.18 for WordPress allows Remote Attackers to execute JavaScript via the includes/Admin/Menus/Submissions.php (aka submissions page) begin_date, end_date, or form_id parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-19287 is a cross-site scripting issue in the WordPress Ninja Forms plugin before 3.3.18. A vulnerable site could let a remote attacker cause JavaScript to run through parameters on the submissions page. The sources do not provide CVSS scoring or evidence of active exploitation.

Executive priority

Treat this as a targeted maintenance priority, not an emergency based on current evidence. Patch any affected WordPress sites promptly because public exploit information exists and plugin XSS can affect admin trust boundaries.

Technical view

The CVE describes XSS in includes/Admin/Menus/Submissions.php, also called the submissions page, through begin_date, end_date, or form_id parameters in Ninja Forms before 3.3.18. A WordPress plugin Trac changeset and the plugin developer page are cited. Exploit-DB has a public exploit reference, but KEV is false.

Likely exposure

Exposure is limited to WordPress sites running Ninja Forms versions before 3.3.18. The provided sources do not define required privileges, install prevalence, or whether unauthenticated access is possible.

Exploitation context

A public Exploit-DB reference exists, so defenders should assume technical details are publicly available. However, the provided sources do not show active exploitation, and CISA KEV status is false.

Researcher notes

Key unknowns remain: CVSS score, authentication requirements, reachable user roles, and exploitation in the wild. Validate directly against installed plugin versions and vendor release history rather than assuming all Ninja Forms deployments are affected.

Mitigation direction

  • Upgrade Ninja Forms to version 3.3.18 or later.
  • Check the Ninja Forms developer page for current vendor guidance.
  • Restrict WordPress admin access to trusted users and networks where practical.
  • Review affected sites for unexpected plugin downgrades or stale copies.

Validation and detection

  • Inventory WordPress sites using Ninja Forms and record plugin versions.
  • Confirm no production site runs Ninja Forms before 3.3.18.
  • Review logs for unusual submissions-page requests using begin_date, end_date, or form_id.
  • Verify update completion in WordPress admin or deployment records.
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

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CVE-2018-19287 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.

Source materials

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.