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CVE Record

CVE-2023-52200: WordPress ARMember Plugin <= 4.0.22 is vulnerable to Cross Site Request Forgery (CSRF) leading to PHP Object Injection

Cross-Site Request Forgery (CSRF), Deserialization of Untrusted Data vulnerability in Repute Infosystems ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup.This issue affects ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup: n/a.

CriticalCVSS 9.6Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2023-52200 affects the WordPress ARMember membership plugin. The sources describe a CSRF issue that can lead to PHP object injection, with potential compromise of confidentiality, integrity, and availability. The attacker needs user interaction, but not their own account, according to the CVSS vector.

Executive priority

Treat this as urgent for any public WordPress site using ARMember. The CVSS score is critical and the impact could be severe, but the provided evidence does not confirm active exploitation. Prioritize inventory, vendor guidance, and rapid remediation decisions.

Technical view

The vulnerability combines CWE-352 CSRF with CWE-502 unsafe deserialization in Repute Infosystems ARMember. The source bundle identifies ARMember Lite up to 4.0.22 and assigns CVSS 3.1 score 9.6, network reachable, low complexity, no attacker privileges, user interaction required, changed scope, and high CIA impact.

Likely exposure

Exposure is limited to WordPress sites running the affected ARMember plugin package, listed as armember-membership. The provided sources do not define exact deployment conditions beyond the plugin and version reference, so teams should verify installed plugin name, version, and vendor status directly.

Exploitation context

The source bundle does not show CISA KEV status or cite active exploitation. The risk is still serious because CSRF can trigger unsafe deserialization when a user interacts with attacker-controlled content, but no weaponized details or observed exploitation are provided.

Researcher notes

Evidence is sparse. The CVE record and Patchstack reference identify CSRF leading to PHP object injection, but the bundle does not include a fixed version, patch diff, endpoint detail, or exploit confirmation. Avoid assuming broader ARMember editions or exploitation status without vendor corroboration.

Mitigation direction

  • Inventory WordPress sites for the ARMember armember-membership plugin.
  • Check Patchstack and vendor guidance for the fixed or safe version.
  • Update the plugin when vendor-confirmed remediation is available.
  • Disable or remove the plugin where business impact allows.
  • Review WordPress accounts and recent site changes for suspicious activity.

Validation and detection

  • Confirm whether ARMember is installed on each WordPress site.
  • Record the installed plugin version and compare it with vendor guidance.
  • Check whether ARMember Lite is at or below 4.0.22.
  • Review web logs for unusual ARMember-related requests.
  • Verify no unexpected administrator, member, or plugin changes occurred.
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-352: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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
cwe · medium confidence lookup

CWE-502: Code execution behavior lookup

Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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-2023-52200 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
Critical
CVSS
9.6 (3.1)
Known Exploited
No
Published

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

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
9.6CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H2.86Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.6Critical
CVSS 3.1 vector shape for CVE-2023-52200Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
Repute InfosystemsARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signuparmember-membership, n/aunaffected
Weakness

CWE details

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

CWE-352 · source CWE mapping

Cross-Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

CWE-502 · source CWE mapping

Deserialization of Untrusted Data

Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.