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CVE Record

CVE-2023-51370: WordPress WP Chat App Plugin <= 3.4.4 is vulnerable to Cross Site Scripting (XSS)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NinjaTeam WP Chat App allows Stored XSS.This issue affects WP Chat App: from n/a through 3.4.4.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-51370 affects the WordPress WP Chat App plugin by NinjaTeam. Versions through 3.4.4 can allow stored cross-site scripting, meaning malicious content could be saved and later run in another user's browser. The available scoring indicates moderate business risk, not an emergency, but it should be handled in normal patch cycles.

Executive priority

Treat as a scheduled remediation item for WordPress properties using this plugin. Escalate if affected sites allow many privileged editors, handle sensitive sessions, or have elevated brand-risk exposure.

Technical view

The issue is CWE-79 improper input neutralization during web page generation in WP Chat App, package wp-whatsapp, through version 3.4.4. CVSS 3.1 is 5.9 with network attack vector, low complexity, high privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites using NinjaTeam WP Chat App versions 3.4.4 or earlier. The source bundle does not identify the exact vulnerable component, parameter, role path, or fixed release, so inventory and vendor verification are necessary.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector suggests exploitation requires an already high-privileged user and another user interaction, reducing broad internet-scale risk while still creating account and site-integrity concerns.

Researcher notes

Evidence is incomplete for endpoint, parameter, proof of concept, and fixed version. Do not assume active exploitation. Prioritize version confirmation, permission review, and vendor/Patchstack follow-up before making stronger claims about exploitability or remediation.

Mitigation direction

  • Inventory WordPress sites for the WP Chat App wp-whatsapp plugin.
  • Update beyond version 3.4.4 if vendor guidance confirms a fixed release.
  • Restrict plugin administration to trusted users only.
  • Monitor Patchstack and CVE records for remediation updates.
  • Review stored plugin content for unexpected scripts or markup.

Validation and detection

  • Confirm installed WP Chat App versions across managed WordPress sites.
  • Check whether any installation is version 3.4.4 or earlier.
  • Verify who has permissions to configure or edit plugin content.
  • Review CVE and Patchstack entries for fixed-version details.
  • Document affected sites and remediation status.
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-79: 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
cve · low confidence lookup

CVE-2023-51370 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
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/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
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
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2023-51370Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Products and packages named in the record

VendorProductVersion / packageStatus
NinjaTeamWP Chat Appwp-whatsapp, n/aunaffected
Weakness

CWE details

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