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CVE-2026-9576— Fluent Booking < 2.1.2 - Calendar Manager+ Sensitive Information Disclosure via Attendee Export

Quick assessment

Affected
Unknown Fluent Booking
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.

WPManageNinja Fluent Booking是WPManageNinja公司的一款在线预约与日程管理工具。 WPManageNinja Fluent Booking 2.1.2之前版本存在信息泄露漏洞，该漏洞源于导出参与者数据时未验证所请求group_id的所有权，可能导致具有日历管理员角色的用户从非其所属的日历组中检索参与者的个人信息（姓名、电子邮件、电话、地址、支付信息）。

AI Predicted 8.5 Difficulty: Easy EPSS 0.40% · P34

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Fluent Booking < 2.1.2 affected
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I. Basic Information for CVE-2026-9576

Vulnerability Information
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Vulnerability Title
Fluent Booking < 2.1.2 - Calendar Manager+ Sensitive Information Disclosure via Attendee Export
Source: CVE Program / CVE List V5
Vulnerability Description
The Fluent Booking WordPress plugin before 2.1.2 does not verify ownership of the requested group_id before exporting attendee data via the export endpoint, allowing users with at least the Calendar Manager role to retrieve attendees' PII (name, email, phone, address, payment information) from calendar groups they do not own.
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
Vulnerability Title
WPManageNinja Fluent Booking 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WPManageNinja Fluent Booking是WPManageNinja公司的一款在线预约与日程管理工具。 WPManageNinja Fluent Booking 2.1.2之前版本存在信息泄露漏洞，该漏洞源于导出参与者数据时未验证所请求group_id的所有权，可能导致具有日历管理员角色的用户从非其所属的日历组中检索参与者的个人信息（姓名、电子邮件、电话、地址、支付信息）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Fluent Booking 0 ~ 2.1.2 -

II. Public POCs for CVE-2026-9576

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III. Intelligence Information for CVE-2026-9576

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Vendor Advisories for CVE-2026-9576 (1)

Same Patch Batch · Unknown · 2026-06-30 · 4 CVEs total

CVE-2026-11581 Kali Forms < 2.4.13 - Contributor+ Stored XSS via Form Field Caption
CVE-2026-11590 WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated SQL Injection via filt
CVE-2026-11589 WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Stored XSS via File Up

IV. Related Vulnerabilities

Same product: Fluent Booking
Same vendor: Unknown