CVE-2026-27370
Published: 05 March 2026
Summary
CVE-2026-27370 is a high-severity Insertion of Sensitive Information Into Sent Data (CWE-201) vulnerability. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 13.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Embedding taints allows detection when sensitive data is inserted into outbound or sent data streams.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The vulnerability is an unauthenticated information disclosure flaw in a public-facing WordPress plugin, directly enabling remote exploitation of a web application to retrieve sensitive data.
NVD Description
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.
Deeper analysisAI
CVE-2026-27370 is an Insertion of Sensitive Information Into Sent Data vulnerability (CWE-201) in the Premio Chaty WordPress plugin. It affects Chaty versions from n/a through 3.5.1 and allows attackers to retrieve embedded sensitive data. The vulnerability carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), reflecting high severity primarily due to its confidentiality impact.
Remote attackers can exploit this vulnerability over the network with low complexity, requiring no privileges, authentication, or user interaction. Successful exploitation enables retrieval of sensitive information embedded in transmitted data, potentially exposing confidential details without affecting integrity or availability.
The Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/chaty/vulnerability/wordpress-chaty-plugin-3-5-1-sensitive-data-exposure-vulnerability?_s_id=cve) documents this sensitive data exposure issue in Chaty 3.5.1, providing details for security practitioners to assess and address the risk in affected WordPress environments.
Details
- CWE(s)