CVE-2026-27406
Published: 05 March 2026
Summary
CVE-2026-27406 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 4.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-22 (Publicly Accessible Content) and SI-15 (Information Output Filtering).
Deeper analysis
CVE-2026-27406 is an Insertion of Sensitive Information Into Sent Data vulnerability (CWE-201) in the My Tickets WordPress plugin by Joe Dolson. The issue affects versions from n/a through 2.1.0 and allows attackers to retrieve embedded sensitive data.
With 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), the vulnerability can be exploited over the network by unauthenticated attackers requiring low complexity and no user interaction. Exploitation enables retrieval of sensitive information with high confidentiality impact but no disruption to integrity or availability.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/my-tickets/vulnerability/wordpress-my-tickets-plugin-2-1-0-sensitive-data-exposure-vulnerability?_s_id=cve documents this sensitive data exposure issue in My Tickets version 2.1.0.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9644
Vulnerability details
Insertion of Sensitive Information Into Sent Data vulnerability in Joe Dolson My Tickets my-tickets allows Retrieve Embedded Sensitive Data.This issue affects My Tickets: from n/a through <= 2.1.0.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The CVE describes an unauthenticated remote sensitive data exposure (CWE-201) in a public-facing WordPress plugin that can be directly exploited over the network with no user interaction or credentials, matching the definition of T1190 Exploit Public-Facing Application.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly filters sensitive information from outputs prior to transmission, preventing attackers from retrieving embedded sensitive data sent by the vulnerable My Tickets plugin.
Remediates the specific flaw in My Tickets versions through <=2.1.0 by identifying, reporting, and applying patches to eliminate sensitive data exposure.
Controls publicly accessible content from the WordPress plugin to prevent inadvertent disclosure of sensitive information to unauthenticated attackers.