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CVE Record

CVE-2023-38393: WordPress Ninja Forms plugin <= 3.6.25 - Subscriber+ Broken Access Control vulnerability

Missing Authorization vulnerability in Saturday Drive Ninja Forms.This issue affects Ninja Forms: from n/a through 3.6.25.

HighCVSS 7.6Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Ninja Forms for WordPress has a missing authorization flaw through version 3.6.25. A logged-in low-privilege user, such as a subscriber, may access functionality they should not. The main business risk is exposure of sensitive form-related data, with some integrity and availability impact indicated by CVSS.

Executive priority

Treat as a high-priority WordPress plugin exposure, especially for sites collecting sensitive form submissions or allowing subscriber accounts. Address promptly through inventory, vendor-guided update, and account access review.

Technical view

CVE-2023-38393 is CWE-862 missing authorization in Saturday Drive Ninja Forms through 3.6.25. CVSS 3.1 is 7.6: network reachable, low complexity, low privileges required, no user interaction, unchanged scope, high confidentiality impact, low integrity and availability impact.

Likely exposure

Internet-facing WordPress sites running Ninja Forms through 3.6.25 are the likely exposure. Risk is higher where untrusted users can create or hold subscriber-level accounts.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. The CVSS vector indicates exploitation requires authentication but only low privileges, with no user interaction.

Researcher notes

Sources identify the weakness class and affected upper version but do not provide endpoint-level detail, proof of exploitation, or a named fixed version in the bundle. Avoid assumptions beyond Ninja Forms through 3.6.25.

Mitigation direction

  • Inventory all WordPress sites using the Ninja Forms plugin.
  • Identify and prioritize instances running Ninja Forms through 3.6.25.
  • Check Saturday Drive, WordPress plugin, or Patchstack guidance for the confirmed fixed version.
  • Upgrade to the vendor-confirmed fixed release when available.
  • Disable or remove Ninja Forms where it is not business-required.
  • Limit creation and retention of low-privilege user accounts where possible.

Validation and detection

  • Confirm installed Ninja Forms versions across production, staging, and backups.
  • Review whether public registration or subscriber-level access is enabled.
  • Check logs for unusual authenticated requests involving Ninja Forms functionality.
  • Verify updated sites no longer run versions through 3.6.25.
  • Document exceptions where upgrade or removal is delayed.
Prepared
Confidence
medium
Sources
3

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-38393 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.6 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.6CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L2.84.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.6High
CVSS 3.1 vector shape for CVE-2023-38393Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Saturday DriveNinja Formsninja-forms, n/aunaffected
Weakness

CWE details

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

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.