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CVE-2026-13176— Eventin < 4.1.21 - Contributor+ Server-Side Request Forgery

Quick assessment

Affected
Unknown Eventin
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 Eventin WordPress 插件 4.1.21 版本之前，该插件未对用户提供的存储在事件中的 Webhook URL 进行验证，也未验证事件的所有权。这导致具有贡献者及以上级别访问权限的用户能够向任意主机触发盲目的服务器端请求（Blind Server-Side Request）。

CVSS 2.7 · Low EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Eventin < 4.1.21 affected
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I. Basic Information for CVE-2026-13176

Vulnerability Information
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Vulnerability Title
Eventin < 4.1.21 - Contributor+ Server-Side Request Forgery
Source: CVE Program / CVE List V5
Vulnerability Description
The Eventin WordPress plugin before 4.1.21 does not validate a user-supplied webhook URL stored on events nor verify event ownership, allowing users with contributor-level access and above to trigger blind server-side requests to arbitrary hosts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
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 Eventin 0 ~ 4.1.21 -

II. Public POCs for CVE-2026-13176

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III. Intelligence Information for CVE-2026-13176

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Vendor Advisories for CVE-2026-13176 (1)

Same Patch Batch · Unknown · 2026-08-21 · 20 CVEs total

CVE-2026-19848 6.5 MEDIUM ProfilePress < 4.17.1 - Unauthenticated Arbitrary Shortcode Execution via Display Name
CVE-2026-17559 5.3 MEDIUM Content Protector (Passster) < 4.3.9 - Unauthenticated Protected Content Disclosure via RE
CVE-2026-16650 5.3 MEDIUM Charitable < 1.8.12 - Unauthenticated Donation Payment-Status Manipulation via Square Webh
CVE-2026-15150 5.3 MEDIUM myCred < 3.2.5 - Unauthenticated Payment Bypass via Missing PayPal IPN Receiver Verificati
CVE-2026-15046 4.2 MEDIUM LitExtension: Store to WooCommerce Migration <= 1.2.5 - Connector Token Takeover via CSRF
CVE-2026-18356 3.7 LOW Limit Login Attempts Reloaded < 3.3.5 - Username Denylist Bypass via Case Variant and Acco
CVE-2026-13736 NewPath WildApricotPress Add-on – Member Directory <= 1.0.0 - Unauthenticated Member PII D
CVE-2025-15671 Welcart e-Commerce < 2.12.1 - Session Fixation via uscesid Parameter
CVE-2026-14325 Drag and Drop Multiple File Upload for Contact Form 7 < 1.3.9.9 - Admin+ Stored XSS via dr
CVE-2026-14601 Link Whisper < 0.9.7 - Editor+ SQL Injection via domain Parameter
CVE-2026-16576 Dokan < 5.0.14 - Shop Manager+ Arbitrary Plugin Installation/Activation via REST API
CVE-2026-16962 Tamara Checkout <= 1.9.9.20 - Unauthenticated Order Status Manipulation
CVE-2026-16575 Dokan < 5.0.14 - Unauthenticated Commission Settings Disclosure via Store Categories REST
CVE-2026-19085 Copy & Delete Posts < 1.5.6 - Author+ Password-Protected Post Content Disclosure
CVE-2026-19435 Copy & Delete Posts < 1.5.6 - Authenticated Arbitrary Post Content and Password Disclosure
CVE-2026-18781 Drag and Drop Multiple File Upload for Contact Form 7 < 1.3.9.9 - Unauthenticated RCE via
CVE-2026-16959 Media Library Assistant < 3.40 - Author+ SQL Injection via mla_search_connector
CVE-2026-16577 Dokan < 5.0.14 - Vendor+ Reverse Withdrawal Ledger Manipulation via Client-Supplied Amount
CVE-2026-75796 AI Engine 2.8.0 - 3.6.0 - Admin+ Multisite Network Administrator Account Takeover via MCP

IV. Related Vulnerabilities

Same product: Eventin
Same vendor: Unknown

V. Comments for CVE-2026-13176

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