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Hotel Booking EUVDEUVD-2026-97243

| CVE-2026-84166 MEDIUM
Cross-Site Request Forgery (CSRF) (CWE-352)
2026-10-12 contact@wpscan.com GHSA-v5m6-vwfw-3352
4.3
CVSS 3.1 · Vendor: wpscan
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Attack ChainAIDerived

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

  1. Access
    Lure authenticated admin to malicious page
  2. Exploit
    Browser auto-submits forged booking request
  3. Execution
    Plugin processes request lacking CSRF token
  4. Impact
    Booking order records created/modified/deleted

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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

Exploitation Conditions

Exploitation requires that a user with administrative privileges over the Hotel Booking plugin's booking order management be logged in AND be tricked into loading an attacker-controlled request (hidden form/auto-submit) in the same browser session - this user interaction (UI:R) is the primary limiting factor. The vulnerable functionality is the plugin's administrative booking order management (create/delete/modify order records) in versions through 3.8; no special non-default configuration is named in the advisory. The attacker needs no account of their own (PR:N), but cannot act without an authenticated admin victim, and impact is confined to booking order record integrity.

Impact

This is a moderate-risk, not high-priority, issue. The CVSS 3.1 base score is 4.3 (Medium) with vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - the PR:N reflects that the attacker needs no account of their own, but exploitation is fundamentally gated by UI:R: a logged-in administrator must be lured into visiting an attacker-controlled page while authenticated. The impact is limited (C:N/I:L/A:N) - only integrity of booking order records, no confidentiality or availability loss and no scope change. No EPSS score, KEV listing, or POC flag was provided in the input, so there is no signal of active or probable exploitation; exploitation status is 'no public exploit identified at time of analysis.' There is no SSVC decision data supplied. The signals are internally consistent (network-delivered forged request requiring victim interaction matches a classic CSRF), so no metric conflicts need flagging. Overall: a legitimate but low-urgency flaw whose real-world risk is capped by the social-engineering requirement and the limited integrity-only impact.

Exploit ScenarioDerived

An attacker crafts a malicious web page or email containing a hidden auto-submitting form targeting the plugin's admin booking-order endpoint. A logged-in Hotel Booking administrator who visits the page while authenticated unknowingly issues a forged request that creates, deletes, or alters booking order records. No public exploit code was identified in the provided data, though the technique is trivial to reproduce from the description.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 12, 2026

Cross-site request forgery in the Hotel Booking WordPress plugin (versions through 3.8) lets an attacker forge administrative requests that create, delete, or modify booking order records inside an administrator's authenticated browser session, yielding a limited integrity-only impact (CVSS 4.3, C:N/I:L/A:N). The attacker needs no account of their own (PR:N), but the attack only succeeds if a logged-in administrator is tricked into loading an attacker-controlled page or hidden auto-submitting form (UI:R), which is the primary limiting factor. No public exploit code has been identified at time of analysis, and confidentiality and availability are not affected - only the accuracy of booking order data is at risk.

RemediationAI

No vendor-released patched version is identified in the available data, so the first action is to determine whether a fix has been published since the advisory: check the WPScan advisory at https://wpscan.com/vulnerability/b3193e98-4b40-4fba-995d-a3ed897f852c/ and the plugin's WordPress.org page/repository for a release newer than 3.8, and upgrade immediately if one exists. If no fix is available - particularly if the plugin is abandoned or closed - the most reliable mitigation is to deactivate and remove the plugin and migrate to a maintained booking solution, accepting the operational cost of data migration and possible loss of existing bookings. If the plugin must remain temporarily, restrict the booking order management screens to a minimal set of trusted administrators, instruct those administrators to use a dedicated browser profile and to avoid browsing untrusted sites or clicking unsolicited links while logged in, and deploy a WAF or reverse-proxy rule that rejects cross-origin state-changing requests to the plugin's order-management endpoints, ideally by validating the WordPress nonce or comparing Origin/Referer with the site host; note that overly strict origin or nonce checks can break legitimate admin actions and must be tested in staging first. Enforcing SameSite=Strict on WordPress authentication cookies adds defense in depth but can disrupt legitimate cross-site and single-sign-on flows, and reviewing booking order records for unexpected creation, modification, or deletion provides a compensating detection control given the integrity-only nature of the impact.

Affected VersionsENISA

Hotel Booking 0 ≤3.8

Affected Packages

euvd hotel_booking 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 issue is a classic CSRF weakness (CWE-352) in a WordPress plugin's administrative booking order management functionality. State-changing operations for creating, deleting, and modifying booking orders are reachable through the WordPress admin interface but, per the advisory, are not protected by WordPress nonce verification (for example wp_nonce_field()/check_admin_referer()) or equivalent anti-CSRF tokens. Because browsers automatically attach the administrator's WordPress authentication cookies to requests originating from any site, an attacker who can lure an admin into visiting a crafted page can silently cause the admin's browser to submit those order-management requests. CWE-352 root cause: the application fails to verify that a request originated from its own UI and was intentionally issued by the authenticated user. The supplied CPE data is absent from the feeds, but EUVD records the affected range as Hotel Booking 0 through 3.8, and the vulnerability is reported by WPScan, whose advisory at https://wpscan.com/vulnerability/b3193e98-4b40-4fba-995d-a3ed897f852c/ is the only technical reference provided alongside the NVD entry. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N) confirms network reachability and no attacker privileges, with the user-interaction requirement and unchanged scope reflecting that impact stays within the plugin's booking-order data.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (wpscan) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
vuln.today AI 4.3 MEDIUM

CSRF delivered over the network (AV:N) with no attacker auth (PR:N) but mandatory admin victim interaction (UI:R); integrity-only impact on booking records (I:L), no confidentiality or availability effect.

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

Primary rating from Vendor (wpscan).

CVSS VectorVendor: wpscan

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

Lifecycle Timeline

3
CVSS changed
Oct 12, 2026 - 12:22 NVD
4.3 (MEDIUM)
CVE Published
Oct 12, 2026 - 06:17 cve.org
UNKNOWN (no severity yet)
CVE Published
Oct 12, 2026 - 06:17 cve.org
MEDIUM 4.3

DescriptionCVE.org

The Hotel Booking WordPress plugin through 3.8 does not implement CSRF protection on its administrative booking order management, allowing attackers to trick a logged-in administrator into creating, deleting, or modifying arbitrary booking order records via a forged request.

Threat Intelligence Overview

EPSS Score
0.1%
Top 99% exploitable
Prevalence
Medium
Established commercial WordPress hotel-reservation plugin, common but niche vertical
Social Media
2
Sightings
Data Quality
5 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 0.1%
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
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

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