What is the CVSS score of CVE-2026-9830?

CVE-2026-9830 has a CVSS 3.1 base score of 8.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2026-9830?

Yes, a public proof-of-concept exploit is available for CVE-2026-9830. Prioritise patching immediately. EPSS: 0.2%.

Is there a patch available for CVE-2026-9830?

Yes, a patch is available for CVE-2026-9830. Update the affected software to the latest version immediately.

Bookingpress Appointment Booking Pro CVE-2026-9830

EUVD-2026-49085 HIGH

Improper Authentication (CWE-287)

2026-07-27 WPScan

GHSA-5h5h-jh94-gqhv

WordPress Authentication Bypass Bookingpress Appointment Booking Pro Unknown

8.2

CVSS 3.1 · Vendor: WPScan

View

Vulnerability Assessment

Weakness

CWE

CWE-287

OWASP Top 10:2025

A07:2025 - Authentication Failures

ASVS 5.0

V6 - Authentication Authentication mechanism validation

MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 27, 2026

BookingPress Appointment Booking Pro WordPress plugin before version 5.7.3 exposes all REST API routes in a specific namespace without requiring authentication, enabling any remote attacker to read sensitive customer booking information and modify other users' bookings. Public exploit code is available, making exploitation straightforward.

Affected VersionsENISA

bookingpress-appointment-booking-pro 0 <5.7.3

Affected Packages

euvd bookingpress_appointment_booking_pro fix: 5.7.3

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (WPScan) PRIMARY 8.2 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Primary rating from Vendor (WPScan) · only source for this CVE.

CVSS VectorVendor: WPScan

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

CVSS changed

Jul 27, 2026 - 18:22 NVD

8.2 (HIGH)

Patch available

Jul 27, 2026 - 07:01 EUVD

CVE Published

Jul 27, 2026 - 06:00 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 27, 2026 - 06:00 cve.org

HIGH 8.2

DescriptionCVE.org

The bookingpress-appointment-booking-pro WordPress plugin before 5.7.3 does not correctly invoke its REST permission callback, leaving every route in one of its API namespaces reachable without authentication and allowing unauthenticated attackers to read customer booking data and modify other users' bookings.

Threat Intelligence Overview

EPSS Score

0.2%

Top 84% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

Vulnrichment

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 0.2%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.