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CVE-2026-87891— Rox Appointment Booking < 1.2.0 - Unauthenticated Holiday Schedule Modification via REST API

Quick assessment

Affected
Unknown Rox Appointment 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.

Rox Appointment Booking WordPress 插件在 1.2.0 版本之前，在保存假日排期时未进行任何权限或授权检查，允许未认证的攻击者覆盖预订系统将某些日期视为不可用的设置，从而可能阻止正常的预订，或打开站点管理员希望保持关闭的日期。

AI Predicted 5.3 Difficulty: Trivial
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I. Basic Information for CVE-2026-87891

Vulnerability Information
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Vulnerability Title
Rox Appointment Booking < 1.2.0 - Unauthenticated Holiday Schedule Modification via REST API
Source: CVE Program / CVE List V5
Vulnerability Description
The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep closed.
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 Rox Appointment Booking 0 ~ 1.2.0 -

II. Public POCs for CVE-2026-87891

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III. Intelligence Information for CVE-2026-87891

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Proof of Concept for CVE-2026-87891 (1)

Same Patch Batch · Unknown · 2026-09-12 · 36 CVEs total

CVE-2026-77006 WebTotem Backups <= 1.0.1 - Subscriber+ Arbitrary File Deletion via Path Traversal
CVE-2026-82847 Masteriyo LMS < 3.4.1 - Instructor+ Stored XSS via Course Highlights
CVE-2026-81742 BE REST Endpoints <= 1.0.0 - Unauthenticated Stored XSS and Widget Manipulation
CVE-2026-84023 BEAR - Bulk Editor and Products Manager Professional for WooCommerce < 1.2.2 - Taxonomy Te
CVE-2026-81090 Gpx2Graphics <= 0.3 - Arbitrary File Upload via CSRF
CVE-2026-81429 Export & Import WPBakery Page Builder <= 1.0.2 - Stored XSS via CSRF
CVE-2026-81402 DS Ad Rotator <= 0.8 - Unauthenticated Arbitrary File Upload
CVE-2026-80491 SAMO Forms <= 1.0.0 - Unauthenticated SQLi
CVE-2026-80494 Yogeta WP Cloud <= 1.0 - Unauthenticated Arbitrary File Download
CVE-2026-82845 Masteriyo LMS < 3.4.1 - Subscriber+ PHP Object Injection
CVE-2026-77752 Temporary Login Without Password 1.5 - 1.9.8 - Multisite Subsite Admin+ Network Super Admi
CVE-2026-77689 Amelia Pro 9.0 - 9.8 - Unauthenticated Payment Bypass
CVE-2026-77705 Amelia < 2.4.10 - Amelia Manager+ WordPress Account Takeover
CVE-2026-77753 Temporary Login Without Password < 1.9.9 - Authenticated Temporary Access Revocation Bypas
CVE-2026-78152 SureRank 1.6.2 - 1.10.0 - Unauthenticated Author Email Disclosure via Person Schema
CVE-2026-75800 Frontegg SAML SSO <= 1.0.1 - Unauthenticated Account Takeover via Unverified SAMLResponse
CVE-2026-77005 Code Monkeys Proposals <= 1.0.1 - Subscriber+ Arbitrary File Deletion via Path Traversal
CVE-2026-83532 Custom Menu Wizard <= 3.3.1 - Contributor+ Stored XSS via Shortcode Attributes
CVE-2026-87759 Add User Autocomplete < 1.2 - Subscriber+ Privilege Escalation
CVE-2026-87918 WPBot < 8.5.7 - Unauthenticated AI Provider API Abuse via Multiple AJAX Actions

Showing top 20 of 36 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Rox Appointment Booking
Same vendor: Unknown

V. Comments for CVE-2026-87891

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