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CVE Record

CVE-2024-52369: WordPress KBucket plugin <= 4.2.2 - Arbitrary File Upload vulnerability

Unrestricted Upload of File with Dangerous Type vulnerability in Optimal Access KBucket kbucket allows Upload a Web Shell to a Web Server.This issue affects KBucket: from n/a through <= 4.2.2.

CriticalCVSS 9.9Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2024-52369 is a critical arbitrary file upload flaw in the WordPress KBucket plugin. A low-privileged authenticated attacker may be able to upload a dangerous file, such as a web shell, leading to server compromise. The sources do not show CISA KEV listing or confirmed active exploitation.

Executive priority

Treat this as urgent for any WordPress environment using KBucket. The business risk is full site or server compromise, but urgency depends on confirmed plugin presence and whether exposed users can access vulnerable upload paths.

Technical view

The issue is CWE-434 in Optimal Access KBucket for WordPress, reported as affecting versions through 4.2.2. The CVSS 3.1 score is 9.9 with network access, low attack complexity, low privileges required, and high confidentiality, integrity, and availability impact. The source bundle does not identify a fixed version.

Likely exposure

Exposure is likely limited to WordPress sites running the KBucket plugin at versions through 4.2.2, especially where low-privileged users can reach affected upload functionality.

Exploitation context

The CVSS vector indicates exploitation is remote, low-complexity, requires low privileges, and needs no user interaction. The CVE description explicitly says web shell upload is possible. No provided source confirms active exploitation or KEV status.

Researcher notes

The source data has limited remediation detail and no confirmed exploit-in-the-wild evidence. Patchstack is the only vulnerability database reference in the bundle. Validate plugin versions carefully because the bundle title cites <=4.2.2 while the Patchstack URL text references 4.1.6.

Mitigation direction

  • Inventory WordPress sites for the KBucket plugin and installed version.
  • Disable or remove KBucket if running an affected version until vendor guidance is confirmed.
  • Check Patchstack and vendor guidance for any fixed version or official workaround.
  • Review webroot and upload directories for unexpected executable files.
  • Limit low-privileged account access to plugin upload functionality where possible.

Validation and detection

  • Confirm whether each WordPress site has KBucket installed and enabled.
  • Record the KBucket version and compare it with the affected range through 4.2.2.
  • Review server and WordPress logs for suspicious upload activity.
  • Inspect upload directories for newly created executable or script files.
  • Verify whether Patchstack or the vendor has published remediation guidance.
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-434: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection 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
description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2024-52369 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
9.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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
3Timeline events
1ADP providers
2Source links

SSVC decision data

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

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
9.9CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

9.9Critical
CVSS 3.1 vector shape for CVE-2024-52369Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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

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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Optimal AccessKBucketkbucket, 0unaffected
Weakness

CWE details

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

CWE-434 · source CWE mapping

Unrestricted Upload of File with Dangerous Type

Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.