CVE-2026-13156 - Vulnerability Details - OpenCVE

The MailerSend WordPress plugin before 1.0.8 does not perform a nonce check on its configuration-delete action (it verifies the manage_options capability but ignores the nonce), so an attacker can trick a logged-in administrator into visiting a crafted page that wipes the MailerSend WordPress plugin before 1.0.8's SMTP configuration and deactivates the MailerSend WordPress plugin before 1.0.8, breaking the site's email delivery.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00097.

Exploitation poc

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

References

Link	Providers
https://wpscan.com/vulnerability/595e653d-0904-43cf-8e61-d684599de11b/

History

Mon, 20 Jul 2026 14:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-352
Metrics		cvssV3_1 `{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 20 Jul 2026 07:15:00 +0000

Type	Values Removed	Values Added
Description		The MailerSend WordPress plugin before 1.0.8 does not perform a nonce check on its configuration-delete action (it verifies the manage_options capability but ignores the nonce), so an attacker can trick a logged-in administrator into visiting a crafted page that wipes the MailerSend WordPress plugin before 1.0.8's SMTP configuration and deactivates the MailerSend WordPress plugin before 1.0.8, breaking the site's email delivery.
Title		MailerSend - Official SMTP Integration < 1.0.8 - Settings Deletion and Plugin Deactivation via CSRF
References		https://wpscan.com/vulnerability/595e653d-0904-43cf-8e61-d684599de11b/

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-07-20T06:00:04.943Z

Updated: 2026-07-20T13:12:25.616Z

Reserved: 2026-06-24T12:02:09.353Z

Link: CVE-2026-13156

Vulnrichment

Updated: 2026-07-20T13:12:18.621Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

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