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CVE-2026-115821— NewsmanApp <= 3.7.29 - Unauthenticated Stored Cross-Site Scripting via 'billing_first_name' and 'billing_last_name' Parameters

Quick assessment

Affected
newsmanapp NewsmanApp
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.

WordPress 的 NewsmanApp 插件在所有 3.7.29 及更早版本中，由于输入清理和输出转义不足，在 和 参数上存在存储型跨站脚本（Stored XSS）漏洞。该漏洞允许未认证的攻击者在页面中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将被执行。此漏洞仅在启用 Newsman Remarketing 功能，并在插件设置中配置了非空的 Remarketing ID 时才可被利用。

CVSS 7.2 · High

Possible ATT&CK Techniques 1 AI

T1193
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I. Basic Information for CVE-2026-115821

Vulnerability Information
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Vulnerability Title
NewsmanApp <= 3.7.29 - Unauthenticated Stored Cross-Site Scripting via 'billing_first_name' and 'billing_last_name' Parameters
Source: CVE Program / CVE List V5
Vulnerability Description
The NewsmanApp plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'billing_first_name, billing_last_name' parameter in all versions up to, and including, 3.7.29 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability is only exploitable when the Newsman Remarketing feature is enabled and a non-empty Remarketing ID is configured in the plugin settings.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
newsmanapp NewsmanApp 0 ~ 3.7.29 -

II. Public POCs for CVE-2026-115821

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III. Intelligence Information for CVE-2026-115821

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Other References for CVE-2026-115821 (6)

IV. Related Vulnerabilities

Same product: NewsmanApp
Same vendor: newsmanapp
Same weakness: CWE-79