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Smtp Mailer CVE-2026-32538

| EUVD-2026-15912 HIGH
Insertion of Sensitive Information Into Sent Data (CWE-201)
2026-03-25 Patchstack GHSA-pg38-rrrw-whrq
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Re-analysis Queued
Apr 24, 2026 - 16:37 vuln.today
cvss_changed
EUVD ID Assigned
Mar 25, 2026 - 16:47 euvd
EUVD-2026-15912
Analysis Generated
Mar 25, 2026 - 16:47 vuln.today
CVE Published
Mar 25, 2026 - 16:15 nvd
HIGH 7.5

DescriptionCVE.org

Insertion of Sensitive Information Into Sent Data vulnerability in Noor Alam SMTP Mailer smtp-mailer allows Retrieve Embedded Sensitive Data.This issue affects SMTP Mailer: from n/a through <= 1.1.24.

AnalysisAI

The SMTP Mailer plugin for WordPress (versions up to 1.1.24) contains an Insertion of Sensitive Information Into Sent Data vulnerability that allows attackers to retrieve embedded sensitive data through the plugin's email transmission functionality. This information disclosure flaw affects all installations of the affected SMTP Mailer versions and could expose credentials, configuration data, or other sensitive information transmitted via the plugin's SMTP implementation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Attacker intercepts SMTP connection
Exploit
Views unencrypted email headers and body
Execution
Extracts embedded API keys or credentials
Impact
Uses stolen secrets for unauthorized access

Vulnerability AssessmentAI

Exploitation Remote unauthenticated attacker can exploit Noor Alam SMTP Mailer versions <= 1.1.24 when the application processes outbound SMTP messages. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment While a CVSS score and vector are not provided for this vulnerability, the information disclosure nature and the fact that it affects a widely-deployed WordPress plugin class suggests moderate to elevated real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker monitoring SMTP traffic or accessing WordPress log files discovers that the SMTP Mailer plugin has inadvertently embedded database credentials or API keys into the headers or body of outgoing emails sent by the WordPress installation. By capturing these emails (either via MITM attack on unencrypted SMTP, by compromising a mail server, or by accessing plugin logs), the attacker gains administrative credentials or API keys that grant access to backend systems, databases, or third-party integrations. …
Remediation Upgrade the SMTP Mailer plugin to a version newer than 1.1.24 immediately upon availability of a security patch, as the vendor (Noor Alam) has been notified via Patchstack. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

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CVE-2026-32538 vulnerability details – vuln.today

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