CVE-2025-24567Network attack vector

Subscriber-level disclosure of embedded sensitive data

Published Feb 14, 2025 · Updated May 11, 2026

Sensitive-data exposure in Brandt OSS WP Mailster 1.8.16.0 and earlier allows remote authenticated users to read embedded sensitive data. Patchstack has not published the affected component, the exposed data, or the operation that places sensitive information in sent data. Subscriber-level WordPress access is required, and the documented consequence is limited to unauthorized disclosure.

CVSS severity6.5
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Sensitive-data exposure in Brandt OSS WP Mailster 1.8.16.0 and earlier allows remote authenticated users to read embedded sensitive data. Patchstack has not published the affected component, the exposed data, or the operation that places sensitive information in sent data. Subscriber-level WordPress access is required, and the documented consequence is limited to unauthorized disclosure.

The record

CVE
CVE-2025-24567
Published
Feb 14, 2025
Updated
May 11, 2026
Vendor
Brandt OSS
Product
WP Mailster
Classifications
CWE-201, CAPEC-37
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 14, 2025CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.8.16.0 changes=[{"at":"1.8.17.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Brandt OSS · WP Mailsterversion=0 <=1.8.16.0 changes=[{"at":"1.8.17.0","status":"unaffected"}]

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-201Insertion of Sensitive Information Into Sent Data
CAPEC-37Retrieve Embedded Sensitive Data

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo