Skip to main content

Wordpress Theme CVE-2025-26927

CRITICAL
Unrestricted Upload of File with Dangerous Type (CWE-434)
2025-04-15 audit@patchstack.com
10.0
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
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.

Impact

CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.41%.

Exploit ScenarioDerived

A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 28, 2026

Unrestricted Upload of File with Dangerous Type vulnerability in EPC AI Hub allows Upload a Web Shell to a Web Server.3.3. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Affected ProductsAI

EPC AI Hub.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Unrestricted Upload of File with Dangerous Type vulnerability in EPC AI Hub allows Upload a Web Shell to a Web Server.3.3. Version information: through 1.3.3..

Know when Wordpress Theme gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 10.0 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

Unrestricted Upload of File with Dangerous Type vulnerability in EPC AI Hub allows Upload a Web Shell to a Web Server. This issue affects AI Hub: from n/a through 1.3.3.

Executive ViewAI

Why It Matters

Organizations using Unrestricted Upload of File with Dangerous Type vulnerability in EPC AI Hub face critical risk from CVE-2025-26927, a unrestricted file upload vulnerability rated CVSS 10.0. This could allow attackers to access or modify files outside intended directories, potentially exposing sensitive configuration or credentials. Organizations should apply vendor updates immediately when available and implement compensating controls in the interim.

Business Impact: Severe
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Restrict file upload functionality via WAF; (2) Implement allowlist-based file type validation; (3) Use chroot/containerization to limit filesystem access.

Threat Intelligence Overview

EPSS Score
0.4%
Top 39% exploitable
Data Quality
3 sources
Confidence: Low

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 0.4%
Patch available No
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· derived
Out-of-Cycle
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +50
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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

CVE-2025-1307 CRITICAL
9.8 Mar 04

The Newscrunch theme for WordPress is vulnerable to arbitrary file uploads due to a missing capability check in the news

CVE-2019-25142 HIGH POC
8.8 Jun 07

The Mesmerize & Materialis themes for WordPress are vulnerable to authenticated options change in versions up to, and in

CVE-2023-45657 HIGH
8.5 Nov 06

A vulnerability in posimyththemes Nexter nexter.0.3. Rated high severity (CVSS 8.5), this vulnerability is remotely expl

CVE-2020-36721 MEDIUM POC
6.5 Jun 07

The Brilliance <= 1.2.7, Activello <= 1.4.0, and Newspaper X <= 1.3.1 themes for WordPress are vulnerable to Plugin Acti

CVE-2024-52413 CRITICAL
9.8 Nov 16

Remote code execution in the dmcwebzone Airin Blog WordPress plugin (versions up to and including 1.6.1) is possible thr

CVE-2025-48106 CRITICAL
10.0 Oct 22

Unauthenticated arbitrary file upload in the Clanora WordPress theme (versions before 1.3.1) allows remote attackers to

CVE-2020-17362 MEDIUM POC
6.1 Aug 12

search.php in the Nova Lite theme before 1.3.9 for WordPress allows Reflected XSS. Rated medium severity (CVSS 6.1), thi

CVE-2025-49060 CRITICAL
10.0 Oct 22

Arbitrary file upload in the CMSSuperHeroes Wastia WordPress theme (all versions before 1.1.3) allows remote attackers t

CVE-2026-39770 CRITICAL
10.0 Oct 06

Unauthenticated arbitrary file upload in the Doctreat WordPress theme (versions up to and including 1.7.0) allows remote

CVE-2026-81779 CRITICAL
10.0 Aug 31

Backdoor / malicious code implant in the Silk Themes 'Newspapers X' WordPress theme (versions 1.0.46 through 1.0.48) all

CVE-2025-49071 CRITICAL
10.0 Jun 17

Critical unrestricted file upload vulnerability in NasaTheme Flozen that allows unauthenticated remote attackers to uplo

CVE-2025-30933 CRITICAL
10.0 Jul 04

Remote code execution in LogisticsHub WordPress theme allows unauthenticated attackers to upload arbitrary files, includ

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy