CVE-2026-39571 | BDVDB-2026-325779 Detail

ThemeficInstantio

Description#

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.

Impact#

Retrieve Embedded Sensitive Data

Weaknesses#

CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere

References#

https://patchstack.com/database/Wordpress/Plugin/instantio/vulnerability/wordpress-instantio-plugin-3-3-30-sensitive-data-exposure-vulnerability?_s_id=cve

Exploit#

No public exploit known

History#

Version 12026-04-08Record published in the CVE List.
Version 22026-04-29Most recent update recorded in the CVE List.

Published

Published: 2026-04-08
Last modified: 2026-04-29

Vendor information

Vendor: Themefic
Product: Instantio

All Themefic vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 16.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 3.3.30
Fixed
Not stated
Vulnerable
Not stated
Fixed
3.3.31

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).