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Booking Rental Manager EUVDEUVD-2026-102233

| CVE-2026-103350 MEDIUM
Improper Validation of Specified Quantity in Input (CWE-1284)
2026-10-15 Patchstack GHSA-x97r-gvv9-5ppp
5.3
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Send crafted request to booking endpoint
  2. Exploit
    Submit malformed quantity bypassing validation
  3. Impact
    Disrupt or remove client booking functionality

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V2 - Validation and Business Logic Input size validation
Exploitation Conditions

The vulnerable Booking and Rental Manager for WooCommerce plugin (version 2.8.0 or earlier) must be installed and active on a WordPress site, which also implies a WooCommerce environment given the plugin's dependency. Exploitation targets a booking/rental quantity input that is improperly validated (CWE-1284); per the CVSS vector no authentication (PR:N) or user interaction (UI:N) is required against such an installation. Limiting factors: impact is confined to integrity of booking functionality (I:L) with no data exposure or site takeover, and the precise vulnerable feature/endpoint is not detailed in the Patchstack-derived description, so the concrete trigger input should be confirmed against the vendor advisory.

Impact

This is a medium-severity issue (CVSS 5.3, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) that scores network-exploitable, low-complexity, and unauthenticated (PR:N), but its real-world impact is deliberately narrow: integrity-only and partial (I:L), with no confidentiality (C:N) or availability (A:N) effect. No EPSS score was provided in the input, so statistical exploitation probability cannot be quantified. The CVE is not listed in CISA KEV and no public proof-of-concept is referenced, so there is no public exploit identified at time of analysis. The practical ceiling of impact is 'Removing Important Client Functionality' - degradation of a WordPress/WooCommerce booking feature rather than data theft or server compromise - making this a lower-priority, patch-in-normal-cycle item despite the easy-to-trigger network vector. Note a signal conflict: the input Tags include 'Information Disclosure,' yet the CVSS vector explicitly sets C:N (no confidentiality impact) and only I:L, so the information-disclosure label appears inaccurate and should not drive prioritization - verify against the Patchstack advisory.

Exploit ScenarioDerived

A remote, unauthenticated attacker submits a crafted request to a booking endpoint of the Booking and Rental Manager plugin (versions through 2.8.0) with an improperly validated quantity value (CWE-1284), under the low-complexity network vector indicated by CVSS (AV:N/AC:L/PR:N/UI:N). The manipulated input causes the plugin to remove or disrupt important client-facing booking functionality, partially affecting integrity (I:L). No public exploit code was identified in the provided intelligence.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 15, 2026

Unauthenticated attackers can tamper with booking quantities in the Booking and Rental Manager WordPress plugin (versions through 2.8.0) due to improper validation of specified quantity input (CWE-1284), potentially removing important client functionality. The CVSS 5.3 vector (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) confirms network-exploitable, low-complexity, unauthenticated access with integrity-only, partial impact and no confidentiality or availability effect. No public exploit or active exploitation has been identified at time of analysis.

RemediationAI

Patch availability is not confirmed in the provided data; consult the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/booking-and-rental-manager-for-woocommerce/vulnerability/wordpress-booking-and-rental-manager-plugin-2-8-0-other-vulnerability-type-vulnerability?_s_id=cve) for an updated plugin version and apply it as soon as available. Until a patch is applied, consider disabling the Booking and Rental Manager plugin if the booking functionality is not essential, as this eliminates the attack surface but removes the feature. Alternatively, restrict access to booking endpoints via server-side rules or a web application firewall (WAF) to block malicious quantity parameters, though this may cause false positives and requires tuning. Ensure all quantity inputs are validated server-side with strict bounds and type checks, and monitor logs for unusual booking quantity values.

Affected VersionsENISA

Booking and Rental Manager 0 ≤2.8.0

Affected Packages

euvd booking_and_rental_manager no fix

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.

Technical ContextAI · show details

The vulnerability resides in the Booking and Rental Manager plugin for WordPress (CPE: cpe:2.3:a:magepeople_inc.:booking_and_rental_manager:*:*:*:*:*:*:*:*), a WooCommerce-dependent component that manages booking and rental quantities. CWE-1284 (Improper Validation of Specified Quantity in Input) occurs when the plugin fails to properly validate quantity parameters, allowing an attacker to supply malicious values that alter expected behavior. In this case, the flawed validation permits the removal of important client functionality, likely by manipulating booking quantity fields to disrupt or disable parts of the booking interface. The attack is unauthenticated and requires no user interaction, but the precise vulnerable endpoint is not specified in the available intelligence, so the exact trigger must be confirmed against the vendor advisory.

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Severity by source

Vendor (Patchstack) PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
vuln.today AI 5.3 MEDIUM

Unauthenticated network input with low complexity (AV:N/AC:L/PR:N); improper quantity validation degrades a client feature so I:L, with no confidentiality or availability loss (C:N/A:N).

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

DescriptionCVE.org

Improper Validation of Specified Quantity in Input vulnerability in Magepeople inc. Booking and Rental Manager booking-and-rental-manager-for-woocommerce allows Removing Important Client Functionality.This issue affects Booking and Rental Manager: from n/a through 2.8.0.

Threat Intelligence Overview

EPSS Score
0.2%
Top 88% exploitable
Prevalence
Low
niche WooCommerce booking/rental plugin, limited WordPress install base
Social Media
1
Sightings
Data Quality
4 sources
Confidence: Medium

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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