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CVE Vulnerability Details :
CVE-2026-39571
PUBLISHED
More InfoOfficial Page
Assigner-Patchstack
Assigner Org ID-21595511-bba5-4825-b968-b78d1f9984a3
View Known Exploited Vulnerability (KEV) details
Published At-08 Apr, 2026 | 08:30
Updated At-29 Apr, 2026 | 09:52
Rejected At-
▼CVE Numbering Authority (CNA)
WordPress Instantio plugin <= 3.3.30 - Sensitive Data Exposure vulnerability

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Themefic Instantio instantio allows Retrieve Embedded Sensitive Data.This issue affects Instantio: from n/a through <= 3.3.30.

Affected Products
Vendor
Themefic
Product
Instantio
Collection URL
https://wordpress.org/plugins
Package Name
instantio
Default Status
unaffected
Versions
Affected
  • From 0 through 3.3.30 (custom)
    • -> unaffectedfrom3.3.31
Problem Types
TypeCWE IDDescription
CWECWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
Type: CWE
CWE ID: CWE-497
Description: Exposure of Sensitive System Information to an Unauthorized Control Sphere
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-37Retrieve Embedded Sensitive Data
CAPEC ID: CAPEC-37
Description: Retrieve Embedded Sensitive Data
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Que Thanh Tuan | Patchstack Bug Bounty Program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://patchstack.com/database/Wordpress/Plugin/instantio/vulnerability/wordpress-instantio-plugin-3-3-30-sensitive-data-exposure-vulnerability?_s_id=cve
vdb-entry
Hyperlink: https://patchstack.com/database/Wordpress/Plugin/instantio/vulnerability/wordpress-instantio-plugin-3-3-30-sensitive-data-exposure-vulnerability?_s_id=cve
Resource:
vdb-entry
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found