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CVE-2026-89331— FluentBoards 1.95 - 2.0.15 - Unauthenticated Board Member Email Address Disclosure via Public Board Endpoints

Quick assessment

Affected
Unknown FluentBoards
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.

FluentBoards WordPress 插件在 2.1.0 版本之前，未能正确限制其公开、通过令牌共享的看板功能所返回的成员数据，导致未认证用户能够披露共享看板成员的电子邮件地址，其中通常包括管理员的邮箱。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.34% · P28

Possible ATT&CK Techniques 1 AI

T1592 · Gather Victim Host Information

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown FluentBoards 1.95< 2.1.0 affected
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I. Basic Information for CVE-2026-89331

Vulnerability Information
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Vulnerability Title
FluentBoards 1.95 - 2.0.15 - Unauthenticated Board Member Email Address Disclosure via Public Board Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
The FluentBoards WordPress plugin before 2.1.0 does not properly restrict the member data returned by its public, token-shared board feature, allowing unauthenticated users to disclose the email addresses of a shared board's members, typically including administrators.
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 FluentBoards 1.95 ~ 2.1.0 -

II. Public POCs for CVE-2026-89331

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III. Intelligence Information for CVE-2026-89331

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Other References for CVE-2026-89331 (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-2026-93511 Premium Packages < 7.2.1 - Unauthenticated PayPal Webhook Signature Verification Bypass
CVE-2026-86842 Real3D Flipbook Lite < 5.4 - Author+ Content Deletion and Stored XSS via Global Settings O
CVE-2026-90985 WPC Smart Compare for WooCommerce < 6.6.1 - Unauthenticated Password-Protected Product Des
CVE-2026-91024 Booking Manager < 2.1.21 - Author+ SQLi via ICS Import Feed UID (sync_gid)
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: FluentBoards
Same vendor: Unknown