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CVE-2026-93511— Premium Packages < 7.2.1 - Unauthenticated PayPal Webhook Signature Verification Bypass

Quick assessment

Affected
Unknown Premium Packages
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.

在 Premium Packages WordPress 插件 7.2.1 之前的版本中，该插件在处理支付和订阅通知时，并未验证 PayPal 的 Webhook 签名。这一漏洞允许未经身份验证的攻击者伪造支付确认和订阅取消事件，针对任何其已知交易 ID 的订单进行操作。

AI Predicted 8.1 Difficulty: Easy EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Premium Packages 7.0.0< 7.2.1 affected
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I. Basic Information for CVE-2026-93511

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Premium Packages < 7.2.1 - Unauthenticated PayPal Webhook Signature Verification Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id they know.
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 Premium Packages 7.0.0 ~ 7.2.1 -

II. Public POCs for CVE-2026-93511

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

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III. Intelligence Information for CVE-2026-93511

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Other References for CVE-2026-93511 (1)

Same Patch Batch · Unknown · 2026-09-23 · 57 CVEs total

CVE-2026-86601 6.5 MEDIUM WP Recipe Maker < 10.8.2 - Unauthenticated Arbitrary Shortcode Execution via Comment Conte
CVE-2026-86612 5.6 MEDIUM Ninja Tables < 5.2.17 - Unauthenticated Arbitrary Shortcode Execution via Fluent Forms Dat
CVE-2026-84091 5.3 MEDIUM SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forge
CVE-2026-90950 5.3 MEDIUM Paid Member Subscriptions < 3.1.0 - Unauthenticated reCAPTCHA Bypass via Registration Form
CVE-2026-87978 5.3 MEDIUM Paymob for WooCommerce < 4.1.14 - Unauthenticated Payment Bypass via Unverified Subscripti
CVE-2026-87071 5.3 MEDIUM Forminator Forms < 1.57.2.1 - Unauthenticated Post Meta Injection on Submitted Posts
CVE-2026-87070 5.3 MEDIUM Forminator Forms < 1.57.2.1 - Unauthenticated Poll Vote Limit Bypass via IP Spoofing
CVE-2026-86604 4.8 MEDIUM GTranslate < 5.0.1 - Unauthenticated Arbitrary Shortcode Execution via Email Translation
CVE-2026-87848 3.7 LOW MPCX Lightbox 1.2.2 - 1.2.5 - Unauthenticated Non-Public Post Content Disclosure
CVE-2026-93528 NP Quote Request for WooCommerce < 2.4.16 - Unauthenticated Order Data Disclosure via Quot
CVE-2026-86842 Real3D Flipbook Lite < 5.4 - Author+ Content Deletion and Stored XSS via Global Settings O
CVE-2026-91024 Booking Manager < 2.1.21 - Author+ SQLi via ICS Import Feed UID (sync_gid)
CVE-2026-89331 FluentBoards 1.95 - 2.0.15 - Unauthenticated Board Member Email Address Disclosure via Pub
CVE-2026-88997 JSM Show Post Metadata < 4.9.1 - Contributor+ Stored XSS via Custom Field Meta Key
CVE-2026-87981 Paymob for WooCommerce < 4.1.14 - Contributor+ Payment Gateway Configuration Deletion and
CVE-2026-87074 Forminator Forms < 1.57.2.1 - Unauthenticated Arbitrary Recipient Email Sending with Attac
CVE-2026-87979 Paymob for WooCommerce < 4.1.14 - Unauthenticated Saved Card Token Write to Any User via W
CVE-2026-88929 Sale Booster 7.0.0 - 7.5.1 - Unauthenticated Non-Public Product Disclosure
CVE-2026-87069 Forminator Forms < 1.57.2.1 - Subscriber+ Form Stripe Field Migration via migrate_stripe
CVE-2026-86783 PostX < 5.0.41 - Unauthenticated Custom Field Key Disclosure via REST API

Showing top 20 of 57 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Premium Packages
Same vendor: Unknown

V. Comments for CVE-2026-93511

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