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PHP EUVDEUVD-2026-49074

| CVE-2026-13714 CRITICAL
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-07-27 WPScan GHSA-wvhc-cw3f-mchc
PHP WordPress RCE File Upload Realtyna Organic Idx Plugin Wpl Real Estate Unknown
9.8
CVSS 3.1 · Vendor: WPScan
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Vulnerability Assessment

Weakness
CWE
CWE-434
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK

2 techniques across 2 tactics: Command and Control, Persistence

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

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Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.
Patch available 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 27, 2026

Unauthenticated arbitrary file upload leading to remote code execution exists in Realtyna Organic IDX plugin + WPL Real Estate for WordPress versions before 5.3.0. The file upload API, enabled by default, authenticates using hardcoded credentials identical across all installations and lacks file type validation, allowing attackers to upload and execute PHP files. Publicly available exploit code increases the likelihood of exploitation.

Affected VersionsENISA

Realtyna Organic IDX plugin + WPL Real Estate 0 <5.3.0

Affected Packages

euvd realtyna_organic_idx_plugin_wpl_real_estate fix: 5.3.0

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

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
High
Availability
High

Lifecycle Timeline

4
CVSS changed
Jul 27, 2026 - 16:22 NVD
9.8 (CRITICAL)
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
CRITICAL 9.8

DescriptionCVE.org

The Realtyna Organic IDX plugin + WPL Real Estate WordPress plugin before 5.3.0 does not validate the type of uploaded files, and its file upload functionality is gated only by an API that is enabled by default and authenticated with hardcoded credentials shipped identically across all installations. This makes it possible for unauthenticated attackers to upload arbitrary PHP files and achieve remote code execution.

Articles & Coverage 1

News 4 New PHP Vulnerabilities - 3 Critical, 2 With POC Jul 28, 2026

Threat Intelligence Overview

EPSS Score
0.5%
Top 62% 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 CRITICAL
CISA KEV No
Public POC Yes
EPSS 0.5%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity + public POC available
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
Total

Priority Score

69
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious File Upload HIGH

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

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References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-13714

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