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CVE Record

CVE-2023-50903: WordPress Metform Elementor Contact Form Builder plugin <= 3.4.0 - Broken Access Control vulnerability

Missing Authorization vulnerability in Roxnor Metform metform allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Metform: from n/a through <= 3.4.0.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a broken access control issue in the WordPress Metform Elementor Contact Form Builder plugin through version 3.4.0. An unauthenticated remote attacker may be able to perform an action that should have required authorization. Public evidence rates impact as limited integrity change, not data theft or service outage.

Executive priority

Treat as a moderate WordPress exposure item. Prioritize internet-facing WordPress sites and high-value lead-generation or customer-contact properties, but do not escalate as emergency exploitation without stronger evidence.

Technical view

CVE-2023-50903 maps to CWE-862 Missing Authorization in Roxnor Metform. CVSS 3.1 is 5.3: network reachable, low complexity, no privileges, no user interaction, unchanged scope, no confidentiality or availability impact, low integrity impact. The source bundle does not identify the vulnerable endpoint or exact operation.

Likely exposure

Exposure is most likely on public WordPress sites running Metform Elementor Contact Form Builder version 3.4.0 or earlier. Sites without this plugin, or with versions outside the affected range, are not indicated as affected by the provided sources.

Exploitation context

The CVE is not listed as KEV in the source bundle. The provided sources do not state active exploitation, public exploit availability, or observed attacks. Risk still matters because the vector is unauthenticated and network-accessible.

Researcher notes

Evidence is sparse. The sources identify missing authorization and version range, but not the vulnerable route, method, fixed version, patch commit, or exploit status. Avoid assuming data disclosure or full takeover from the published CVSS impact.

Mitigation direction

  • Inventory WordPress sites for the Metform plugin and installed version.
  • Check vendor or plugin repository guidance for a fixed version or supported mitigation.
  • Upgrade affected installations when an official fixed release is available.
  • Restrict plugin functionality if business use is not required.
  • Monitor WordPress logs for unexpected unauthenticated changes or form-related activity.

Validation and detection

  • Confirm whether Metform is installed on each WordPress asset.
  • Record installed plugin versions and compare against <= 3.4.0.
  • Review vendor advisories before declaring a version remediated.
  • Check whether unauthenticated users can perform restricted Metform actions.
  • Document unaffected sites with evidence of absent or newer plugin versions.
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-2023-50903 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
Medium
CVSS
5.3 (3.1)
Known Exploited
No
Published

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

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
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2023-50903Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
RoxnorMetformmetform, 0unaffected
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.