CVE-2026-89327— FluentBoards < 2.0.15 - Board Member+ Comment Author Spoofing via 'comment_by' Parameter
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 2.0.15 版本之前，未验证提交评论的看板成员是否确实为该评论的署名用户，这使得任意看板成员都能发布看似由其他用户（包括管理员）撰写的评论。
Possible ATT&CK Techniques 1 AI
T1565 · Data ManipulationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unknown | FluentBoards | < 2.0.15 |
affected |
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I. Basic Information for CVE-2026-89327
Vulnerability Information
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Vulnerability Title
FluentBoards < 2.0.15 - Board Member+ Comment Author Spoofing via 'comment_by' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The FluentBoards WordPress plugin before 2.0.15 does not verify that a board member submitting a comment is the user the comment is attributed to, allowing any board member to post comments that appear to be authored by another user, 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 | 0 ~ 2.0.15 | - |
|
II. Public POCs for CVE-2026-89327
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2026-89327 (1)
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🔗 FluentBoards < 2.0.15 – Board Member+ Comment Author Spoofing via 'comment_by' Parameter | CVE 2026-89327 | Plugin Vulnerabilities exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-09-16 · 46 CVEs total
| CVE-2026-13407 | 6.1 MEDIUM | Royal Elementor Addons < 1.7.1067 - Unauthenticated Stored HTML Injection in Form Notifica |
| CVE-2026-84906 | 5.3 MEDIUM | Eventin < 4.1.24 - Unauthenticated Payment Bypass via Stripe and PayPal Cross-Order Transa |
| CVE-2026-86475 | 5.3 MEDIUM | Appointment Hour Booking < 1.5.95 - Unauthenticated Booking Capacity Bypass via Multi-Appo |
| CVE-2026-19857 | 4.8 MEDIUM | Formidable Forms < 6.35 - Unauthenticated Arbitrary Shortcode Execution via [entry_key] Cu |
| CVE-2026-76552 | WP Import Export Lite < 3.9.33 - Authenticated Arbitrary File Upload via Remote Image Impo | |
| CVE-2026-84907 | Eventin < 4.1.24 - Unauthenticated Order and Attendee Status Reset via Payment REST Endpoi | |
| CVE-2026-76555 | WP Import Export Lite < 3.9.33 - Authenticated Sensitive File Disclosure via Existing File | |
| CVE-2026-76557 | WP Import Export Lite < 3.9.33 - Authenticated SQLi via Import Options | |
| CVE-2026-76551 | WP Import Export Lite < 3.9.33 - Authenticated RCE via Export Field PHP Function | |
| CVE-2026-74926 | MultiVendorX 5.0.0 - 5.0.15 - Subscriber+ Arbitrary Store Data and Ownership Overwrite via | |
| CVE-2026-76553 | WP Import Export Lite < 3.9.33 - Authenticated Arbitrary Directory Deletion via Template P | |
| CVE-2026-78472 | Ni WooCommerce Sales Report < 4.2.0 - Unauthenticated SQLi via 'sort' Parameter | |
| CVE-2026-82124 | Schema & Structured Data for WP & AMP < 1.66 - Unauthenticated Password-Protected Post Con | |
| CVE-2026-77702 | Eventin < 4.1.24 - Unauthenticated Ticket Price Rewrite via order_token | |
| CVE-2026-84829 | Optimole < 4.2.12 - Unauthenticated Stored XSS via Srcset Descriptor Parameter | |
| CVE-2026-84905 | Eventin < 4.1.24 - Contributor+ User Creation via Speaker Creation | |
| CVE-2026-84088 | Xpro Elementor Addons < 1.7.9 - Contributor+ Stored XSS via Interactive Circle Widget | |
| CVE-2026-82126 | Schema & Structured Data for WP & AMP 1.63 - 1.65 - Contributor+ Non-Public Post Content D | |
| CVE-2026-82125 | Schema & Structured Data for WP & AMP 1.46 - 1.65 - Unauthenticated Non-Public Comment Con | |
| CVE-2026-76550 | WP Import Export Lite < 3.9.34 - Authenticated RCE via Export Template Path Traversal |
Showing top 20 of 46 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2026-89327
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