Critical severity · published Jul 13, 2026
CVE-2026-57739
WordPress AcyMailing SMTP Newsletter plugin <= 10.11.0 - SQL Injection vulnerability
9.3
CVSS
0.4%
EPSS
No
On KEV
Description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in AcyMailing Newsletter Team AcyMailing SMTP Newsletter acymailing allows Blind SQL Injection.This issue affects AcyMailing SMTP Newsletter: from n/a through <= 10.11.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
AcyMailing SMTP Newsletter · AcyMailing Newsletter Team
through 10.11.0 · source: vendor
Affected product
AS
AcyMailing SMTP Newsletter
AcyMailing Newsletter Team
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57739
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/acymailing/vulnerability/wordpress-acymailing-smtp-newsletter-plugin-10-10-2-sql-injection-vulnerability?_s_id=cve
More from AcyMailing SMTP Newsletter
9.0
CVE-2026-94389
WordPress AcyMailing SMTP Newsletter plugin <= 11.0.5 - Remote Code Execution (RCE) vulnerability
8.6
CVE-2026-95588
WordPress AcyMailing SMTP Newsletter plugin <= 11.0.5 - Arbitrary File Deletion vulnerability
7.1
CVE-2026-57741
WordPress AcyMailing SMTP Newsletter plugin <= 10.11.0 - Cross Site Scripting (XSS) vulnerability
7.1
CVE-2026-57740
WordPress AcyMailing SMTP Newsletter plugin <= 10.11.1 - Broken Access Control vulnerability
7.1
CVE-2025-24617
WordPress AcyMailing Plugin < 9.11.1 - Reflected Cross Site Scripting (XSS) vulnerability