LiveActive security incident?Get immediate response
CVE Record

CVE-2026-27370: WordPress Chaty plugin <= 3.5.1 - Sensitive Data Exposure vulnerability

Insertion of Sensitive Information Into Sent Data vulnerability in Premio Chaty chaty allows Retrieve Embedded Sensitive Data.This issue affects Chaty: from n/a through <= 3.5.1.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-27370 affects the Premio Chaty WordPress plugin through version 3.5.1. The issue can expose sensitive information sent by the plugin to unauthenticated network attackers. For organizations using Chaty on public WordPress sites, this is a confidentiality risk and should be prioritized for verification and vendor-guided remediation.

Executive priority

Treat as a near-term WordPress plugin remediation item. It is not currently reported as actively exploited in the provided sources, but the issue is remotely reachable and may expose confidential data from affected public sites.

Technical view

The CVE describes CWE-201, insertion of sensitive information into sent data, in the Chaty WordPress plugin through <= 3.5.1. CVSS 3.1 is 7.5: network-accessible, low complexity, no privileges, no user interaction, high confidentiality impact, with no integrity or availability impact identified.

Likely exposure

Exposure is likely limited to WordPress sites with the Premio Chaty plugin installed at version 3.5.1 or earlier. Public-facing WordPress deployments have higher practical exposure because the CVSS vector indicates unauthenticated network access.

Exploitation context

The provided sources do not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates exploitation may be possible remotely without authentication or user interaction, but the exact sensitive data and trigger conditions are not described in the supplied evidence.

Researcher notes

Evidence is limited to the CVE metadata and Patchstack reference. The affected range is stated as through <= 3.5.1, but the bundle does not provide a fixed version, proof-of-concept status, or detailed disclosure mechanics. Avoid assuming impact beyond sensitive data exposure.

Mitigation direction

  • Inventory WordPress sites for the Premio Chaty plugin.
  • Identify any Chaty installations at version 3.5.1 or earlier.
  • Check Premio or Patchstack guidance for a fixed version or vendor mitigation.
  • Update or disable affected plugin instances according to approved change procedures.
  • Limit unnecessary exposure of affected WordPress sites where business-feasible.

Validation and detection

  • Confirm plugin name, vendor, and installed version on each WordPress site.
  • Review public site pages using Chaty for unintended sensitive data disclosure.
  • Check security monitoring for unusual access to Chaty-related resources.
  • Document whether each instance is unaffected, updated, disabled, or awaiting vendor 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-201: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2026-27370 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
7.5 (3.1)
Known Exploited
No
Published

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

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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2026-27370Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
PremioChatychaty, 0unaffected
Weakness

CWE details

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

CWE-201 · source CWE mapping

Insertion of Sensitive Information Into Sent Data

Insertion of Sensitive Information Into Sent Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.