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WP Cafe Pro CVE-2026-66587

| EUVDEUVD-2026-64806 CRITICAL
PHP Remote File Inclusion (CWE-98)
2026-08-24 Patchstack GHSA-f9fq-34wr-7637
9.8
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 HTTP request to plugin endpoint
  2. Delivery
    Inject path traversal into file parameter
  3. Exploit
    Trigger PHP include/require of local file
  4. Execution
    Disclose wp-config.php or sensitive files
  5. Impact
    Harvest DB credentials or pivot to RCE

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V5 - File Handling File inclusion prevention, allowlisting
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Command and Control

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

Exploitation Conditions

No special conditions - remote unauthenticated exploitation against default configurations of WP Cafe Pro versions below 3.0.15, per CVSS AV:N/AC:L/PR:N/UI:N. The only prerequisite is that a site runs an affected WP Cafe Pro release with its vulnerable file-handling endpoint reachable over the network. The main limiting factors are the plugin's niche deployment (the target must actually run WP Cafe Pro < 3.0.15) and that escalation beyond file disclosure to code execution would additionally require an includable attacker-controlled file (e.g., via log poisoning or upload), which is not confirmed in the source data.

Impact

Signals are mixed between the raw score and the vulnerability class. The supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H = 9.8) reflects a worst-case remote-code-execution outcome, but the description and Patchstack tags ('LFI', 'Information Disclosure') point primarily to unauthenticated file disclosure rather than confirmed RCE, so the I:H/A:H components may overstate real impact - my independent assessment lowers integrity/availability accordingly. No EPSS score, KEV entry, or POC was provided, so exploitation-probability data is missing: treat this as unauthenticated/network/low-complexity and therefore easy to exploit if a working request is derived, but with no evidence yet of active exploitation. The unauthenticated, no-interaction nature makes this a genuine patch priority for any site running the plugin, tempered by the plugin's relatively niche deployment footprint.

Exploit ScenarioDerived

An unauthenticated attacker sends a crafted HTTP request to the vulnerable WP Cafe Pro endpoint with a manipulated file-path parameter that traverses the filesystem, causing the plugin to read or include a local file such as wp-config.php and disclose database credentials. Because no authentication or user interaction is required, the request can be automated at scale; if the include path can be steered to attacker-controlled PHP, the same flaw may yield remote code execution. No public exploit was identified at time of analysis.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 24, 2026

Arbitrary file disclosure in the WP Cafe Pro WordPress plugin (all versions before 3.0.15) lets remote unauthenticated attackers perform Local File Inclusion, reading sensitive server files such as wp-config.php or, in PHP include contexts, potentially executing attacker-controlled code. The flaw is network-reachable with no privileges or user interaction (CVSS 9.8), was reported by Patchstack, and a vendor patch exists in 3.0.15. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.

RemediationAI

Vendor-released patch: upgrade WP Cafe Pro to version 3.0.15 or later, which is the primary and authoritative fix per the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/wpcafe-pro/vulnerability/wordpress-wp-cafe-pro-plugin-3-0-15-local-file-inclusion-vulnerability-2). Until the update can be applied, restrict access to the plugin's request endpoints with a WAF rule blocking path-traversal sequences (../, encoded variants, and absolute paths) on the plugin's parameters, and consider enabling a virtual-patching rule via Patchstack; note that aggressive WAF filtering can break legitimate menu/reservation requests, so tune and monitor. As a stronger stopgap, deactivate WP Cafe Pro if the reservation/ordering functionality is non-critical, accepting the loss of that feature until patched.

Affected VersionsENISA

WP Cafe Pro n/a <3.0.15

Affected Packages

euvd wp_cafe_pro_n_a fix: 3.0.15

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

WP Cafe Pro is a commercial WordPress plugin for restaurant/cafe reservations, food ordering, and menu management. The vulnerability is classified as CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program), the classic file-inclusion class in which user-influenced input reaches a PHP include/require or file-read routine without proper validation or path canonicalization. Because the affected CPE is cpe:2.3:a:wpcafe:wp_cafe_pro, exploitation runs within the WordPress PHP context, meaning a controllable path parameter can traverse the filesystem to load local files; if an includable path can be pointed at attacker-supplied PHP (e.g., via log poisoning or uploaded content), CWE-98 can escalate from disclosure to code execution.

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Severity by source

Vendor (Patchstack) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 7.5 HIGH

Unauthenticated network LFI with no interaction gives AV:N/AC:L/PR:N/UI:N and C:H for file disclosure; I:N/A:N because RCE escalation is unconfirmed, making this primarily a confidentiality impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Patch available
Aug 24, 2026 - 12:01 EUVD
CVE Published
Aug 24, 2026 - 11:54 cve.org
CRITICAL 9.8

DescriptionCVE.org

Unauthenticated Local File Inclusion in WP Cafe Pro < 3.0.15 versions.

Executive ViewAI

Why It Matters

WP Cafe Pro WordPress plugin versions before 3.0.15 contain a critical vulnerability (CVE-2026-66587, CVSS 9.8) allowing unauthenticated attackers to read sensitive server files, including database credentials and configuration data, from any affected WordPress site over the network. Organizations using this plugin risk immediate exposure of database passwords and administrative credentials, leading to complete account and site compromise.

Business Impact: Severe
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.3%
Top 80% exploitable
Prevalence
Low
niche premium WordPress restaurant/cafe plugin, limited production footprint
Social Media
3
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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
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
Out-of-Cycle
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Very High
Technical Impact
Total

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Local File Inclusion vulnerabilities occur when an application accepts user-controlled input to specify which file should be loaded or executed, typically through functions like PHP's `include()`, `require()`, or `fopen()`.

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

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