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CVE-2026-13362— SendPulse Email Marketing Newsletter <= 2.2.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via _sp_form_code Post Meta

Quick assessment

Affected
sendpulse SendPulse Email Marketing Newsletter
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.

sendpulse email marketing newsletter是sendpulse公司开源的一个邮件营销工具。 WordPress SendPulse Email Marketing Newsletter 2.2.5及之前版本存在跨站脚本漏洞，该漏洞源于对_sp_form_code Post Meta的输入清理和输出转义不足，可能允许具有贡献者级别及以上访问权限的已认证攻击者绕过白名单检查，注入任意Web脚本，并在用户访问被注入页面时执行。

CVSS 6.4 · Medium EPSS 0.35% · P26

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 1

VendorProduct Version RangeStatus
sendpulse SendPulse Email Marketing Newsletter ≤ 2.2.5 affected
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I. Basic Information for CVE-2026-13362

Vulnerability Information
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Vulnerability Title
SendPulse Email Marketing Newsletter <= 2.2.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via _sp_form_code Post Meta
Source: CVE Program / CVE List V5
Vulnerability Description
The SendPulse Email Marketing Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via _sp_form_code Post Meta in all versions up to, and including, 2.2.5 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. Exploitation requires the attacker to create a sendpulse_form post containing a benign SendPulse loader script tag alongside arbitrary HTML (e.g., an img onerror payload), which bypasses the allow-list check and executes in the browser of any user — including administrators — who previews or views a page rendering the [sendpulse-form] shortcode.
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 SendPulse Email Marketing Newsletter 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sendpulse email marketing newsletter是sendpulse公司开源的一个邮件营销工具。 WordPress SendPulse Email Marketing Newsletter 2.2.5及之前版本存在跨站脚本漏洞，该漏洞源于对_sp_form_code Post Meta的输入清理和输出转义不足，可能允许具有贡献者级别及以上访问权限的已认证攻击者绕过白名单检查，注入任意Web脚本，并在用户访问被注入页面时执行。
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
sendpulse SendPulse Email Marketing Newsletter 0 ~ 2.2.5 -

II. Public POCs for CVE-2026-13362

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III. Intelligence Information for CVE-2026-13362

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Patches & Fixes for CVE-2026-13362 (1)

Security Blog Posts for CVE-2026-13362 (1)

Other References for CVE-2026-13362 (1)

IV. Related Vulnerabilities

Same product: SendPulse Email Marketing Newsletter
Same vendor: sendpulse
Same weakness: CWE-79

V. Comments for CVE-2026-13362

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