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CVE-2026-12170— AcyMailing <= 10.10.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'alignment' Attribute

Quick assessment

Affected
acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress是法国Acyba公司的WordPress插件。 WordPress AcyMailing 10.10.2及之前版本存在跨站脚本漏洞，该漏洞源于通过'alignment'属性对输入清理和输出转义不足，可能允许认证的攻击者在页面中注入任意Web脚本，当用户访问页面时执行。

CVSS 6.4 · Medium EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 1

VendorProduct Version RangeStatus
acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress ≤ 10.10.2 affected
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I. Basic Information for CVE-2026-12170

Vulnerability Information
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Vulnerability Title
AcyMailing <= 10.10.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'alignment' Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alignment' attribute in all versions up to, and including, 10.10.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress AcyMailing 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress是法国Acyba公司的WordPress插件。 WordPress AcyMailing 10.10.2及之前版本存在跨站脚本漏洞，该漏洞源于通过'alignment'属性对输入清理和输出转义不足，可能允许认证的攻击者在页面中注入任意Web脚本，当用户访问页面时执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress 0 ~ 10.10.2 -

II. Public POCs for CVE-2026-12170

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III. Intelligence Information for CVE-2026-12170

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Patches & Fixes for CVE-2026-12170 (1)

News Coverage for CVE-2026-12170 (1)

Vendor Pages for CVE-2026-12170 (1)

Other References for CVE-2026-12170 (1)

IV. Related Vulnerabilities

Same product: AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress
Same vendor: acyba
Same weakness: CWE-79