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CVE Record

CVE-2024-32523: WordPress Mailster plugin <= 4.0.6 - Unauthenticated Local File Inclusion vulnerability

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in EverPress Mailster mailster.This issue affects Mailster: from n/a through <= 4.0.6.

HighCVSS 8.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2024-32523 is a high-severity unauthenticated file inclusion issue in the WordPress Mailster plugin through version 4.0.6. A remote attacker may be able to make the site include unintended PHP files, risking data exposure, site changes, and limited availability impact. The provided sources do not confirm active exploitation.

Executive priority

Treat this as a near-term remediation item for any internet-facing WordPress site using Mailster. The risk is high because no login is required, but current sources do not prove active exploitation. Prioritize inventory first, then update or disable affected deployments.

Technical view

The CVE describes improper control of filenames used in PHP include/require statements, mapped to CWE-98. The title identifies unauthenticated local file inclusion in EverPress Mailster <= 4.0.6. CVSS 3.1 is 8.1 with network attack vector, no privileges, no user interaction, high complexity, and changed scope.

Likely exposure

Exposure is limited to WordPress sites running EverPress Mailster at version 4.0.6 or earlier. The source bundle lists Mailster as affected through <= 4.0.6 but does not provide CPEs or installation detection details.

Exploitation context

The issue is remotely reachable and unauthenticated per the CVE metadata, but high attack complexity reduces reliability. KEV is false, and the provided sources do not state known exploitation, public exploit availability, or observed campaigns.

Researcher notes

There is a wording mismatch: the title says local file inclusion, while the CVE description references PHP remote file inclusion under CWE-98. Do not assume remote code execution or a fixed version from this bundle alone. Validate against vendor or Patchstack updates.

Mitigation direction

  • Inventory WordPress sites for the Mailster plugin and record exact versions.
  • Upgrade Mailster above 4.0.6 when vendor guidance identifies a fixed release.
  • If no fixed release is available, disable or remove Mailster where business impact allows.
  • Monitor EverPress and Patchstack guidance for confirmed remediation details.
  • Apply compensating WAF or virtual patching only if sourced from trusted vendor guidance.

Validation and detection

  • Confirm whether Mailster is installed on each WordPress instance.
  • Verify plugin version is 4.0.6 or earlier before prioritizing as affected.
  • Review web server and WordPress logs for unusual unauthenticated Mailster-related requests.
  • Check Patchstack and CVE records for updated affected-version or fix information.
  • Document whether the plugin is internet-facing and required for business operations.
Prepared
Confidence
medium
Sources
4

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 · low confidence lookup

CWE-98: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2024-32523 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
8.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/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
3Timeline events
2ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

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
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L2.25.3Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

8.1High
CVSS 3.1 vector shape for CVE-2024-32523Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
CVECVE Program Container
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
EverPressMailstermailster, 0unaffected
Weakness

CWE details

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

CWE-98 · source CWE mapping

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.