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CVE Record

CVE-2022-46839: WordPress JS Help Desk – Best Help Desk & Support Plugin Plugin <= 2.7.1 is vulnerable to Arbitrary File Upload

Unrestricted Upload of File with Dangerous Type vulnerability in JS Help Desk JS Help Desk – Best Help Desk & Support Plugin.This issue affects JS Help Desk – Best Help Desk & Support Plugin: from n/a through 2.7.1.

CriticalCVSS 10Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2022-46839 affects the WordPress “JS Help Desk – Best Help Desk & Support Plugin” through version 2.7.1. It is an unrestricted dangerous file upload issue rated critical. For an exposed WordPress site, this can threaten confidentiality, integrity, and availability. Public sources provided do not confirm active exploitation.

Executive priority

Treat as urgent for any public WordPress site using this plugin. The maximum CVSS score and unauthenticated network exposure create material business risk. Prioritize discovery and remediation, especially on customer-facing or revenue-supporting sites.

Technical view

The vulnerability is classified as CWE-434: unrestricted upload of a file with dangerous type. The CVSS 3.1 score is 10.0 with network attack vector, low complexity, no privileges, and no user interaction. Scope is changed, with high confidentiality, integrity, and availability impact.

Likely exposure

Internet-facing WordPress sites running JS Help Desk / js-support-ticket through version 2.7.1 are the primary concern. Sites not using this plugin, or using versions outside the affected range, are not indicated as affected by the provided sources.

Exploitation context

The CVSS vector indicates a remotely reachable, unauthenticated attack path with no user interaction. However, the provided sources do not include exploit details, and KEV status is false, so active exploitation is not established here.

Researcher notes

Evidence is limited to the CVE record and Patchstack database reference. The bundle identifies affected versions through 2.7.1, CWE-434, and CVSS 10.0. It does not provide a named fixed version, exploit status, or detailed technical root cause.

Mitigation direction

  • Inventory WordPress sites for the js-support-ticket plugin.
  • Identify any installations at version 2.7.1 or earlier.
  • Check JS Help Desk, WordPress.org, and Patchstack guidance for fixed versions.
  • Update if a vendor-supported fixed version is available.
  • Disable or remove the plugin if no safe update is available.
  • Back up affected sites before remediation changes.

Validation and detection

  • Confirm plugin name and version from WordPress administration or asset inventory.
  • Verify remediated sites no longer run version 2.7.1 or earlier.
  • Review upload locations for unexpected or unauthorized files.
  • Check web server logs for suspicious upload activity.
  • Run authenticated WordPress vulnerability scanning where available.
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-2022-46839 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
10 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/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
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
10CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

10Critical
CVSS 3.1 vector shape for CVE-2022-46839Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
JS Help DeskJS Help Desk – Best Help Desk & Support Pluginjs-support-ticket, n/aunaffected
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.