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CVE-2026-78146— Noptin < 4.3.3 - Unauthenticated Subscriber PII and confirm_key Disclosure via Actions Page

Quick assessment

Affected
Unknown Simple Newsletter Plugin
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 插件 Simple Newsletter 在 4.3.3 版本之前存在安全漏洞。该插件在渲染用户订阅者存储的个人资料前，未验证请求者是否为公开请求中所指定的订阅者。这一缺陷导致未经验证的用户可以泄露订阅者的个人信息，同时还能获取可用于修改其账户记录的授权密钥。

AI Predicted 6.1 Difficulty: Easy EPSS 0.18% · P7

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Simple Newsletter Plugin 4.0.0< 4.3.3 affected
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I. Basic Information for CVE-2026-78146

Vulnerability Information
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Vulnerability Title
Noptin < 4.3.3 - Unauthenticated Subscriber PII and confirm_key Disclosure via Actions Page
Source: CVE Program / CVE List V5
Vulnerability Description
The Simple Newsletter Plugin WordPress plugin before 4.3.3 does not verify that the requester is the subscriber named in a public request before rendering that subscriber's stored details, allowing unauthenticated users to disclose a subscriber's personal data along with the key that authorises changes to their record.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Simple Newsletter Plugin 4.0.0 ~ 4.3.3 -

II. Public POCs for CVE-2026-78146

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III. Intelligence Information for CVE-2026-78146

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Vendor Advisories for CVE-2026-78146 (1)

Same Patch Batch · Unknown · 2026-08-26 · 27 CVEs total

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CVE-2026-77789 Stripe Payment Forms by WP Full Pay < 8.5.1 - Cross-Customer Subscription Modification via
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CVE-2026-77757 Directorist 8.5 - 8.9.2 - Subscriber+ Arbitrary Image Move via REST v2 Listing Submission
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CVE-2026-74929 WP Project Manager < 4.0.7 - Subscriber+ Cross-Project Task Disclosure and Task Board Modi
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CVE-2026-75798 AI Engine 3.4.0 - 3.7.1 - Unauthenticated Arbitrary AI Query Execution via Editor Assistan
CVE-2026-14212 Amelia Pro < 9.8 - Provider+ Arbitrary Provider Password Update via IDOR
CVE-2026-19220 Forminator Forms < 1.57.1 - Unauthenticated Multisite Site Creation and Privilege Escalati
CVE-2026-19718 BlogVault, MalCare and WP Remote 5.16 - 6.62 - Unauthenticated Site Takeover via Connectio
CVE-2026-74928 WP Project Manager 2.1.0 - 4.0.6 - Unauthenticated Subscriber Account Creation via Trello
CVE-2026-74851 Pods < 3.3.9.1 - Author+ RCE via Shortcode Display Callback
CVE-2026-14550 WPCafe < 3.0.18 - Unauthenticated Reservation Approval Bypass via Missing Authorization
CVE-2026-14216 Amelia < 2.4.7 - Unauthenticated Notification Queue Dispatch

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-78146

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