CVE-2025-10147

Critical

Published: 23 September 2025

Published

23 September 2025

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0057 68.7th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-10147 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Wordpress (inferred from references). Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 31.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 2 other techniques. What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-10 Information Input Validation good match

prevent

Directly enforces validation of file types and content during uploads, addressing the missing file type validation in the 'move_as_original_file' function that enables arbitrary file uploads.

SI-2 Flaw Remediation good match

prevent

Mandates identification, reporting, and timely patching of flaws like the arbitrary file upload vulnerability in Podlove Podcast Publisher versions up to 4.2.6.

SI-3 Malicious Code Protection partial match

preventdetect

Deploys malicious code protection mechanisms at system entry points to detect and eradicate dangerous uploaded files such as web shells that could lead to remote code execution.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1505.003 Web Shell Persistence

Adversaries may backdoor web servers with web shells to establish persistent access to systems.

attack.mitre.org →

T1105 Ingress Tool Transfer Command And Control

Adversaries may transfer tools or other files from an external system into a compromised environment.

attack.mitre.org →

Why these techniques?

Arbitrary file upload (CWE-434) in public-facing WordPress plugin directly enables T1190 exploitation, T1505.003 web shell deployment, and T1105 ingress of malicious files leading to RCE.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'move_as_original_file' function in all versions up to, and including, 4.2.6. This makes it possible for unauthenticated attackers to upload…

arbitrary files on the affected site's server which may make remote code execution possible.

Deeper analysisAI

CVE-2025-10147 is a high-severity vulnerability in the Podlove Podcast Publisher plugin for WordPress, affecting all versions up to and including 4.2.6. The issue stems from missing file type validation in the 'move_as_original_file' function within the plugin's image handling code, enabling arbitrary file uploads to the affected site's server. Classified under CWE-434 (Unrestricted Upload of File with Dangerous Type), it carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), highlighting its critical risk profile.

Unauthenticated attackers can exploit this vulnerability remotely over the network with low complexity and no user interaction required. By uploading arbitrary files, such as web shells or executable scripts, attackers gain the potential for remote code execution on the server, leading to full compromise of confidentiality, integrity, and availability.

Advisories point to the vulnerable code at line 465 in lib/model/image.php of version 4.2.6, with a fix available in changeset 3364994 on the WordPress plugin Trac repository. Security practitioners should reference the Wordfence threat intelligence page for detailed analysis and apply the patch by updating to a version beyond 4.2.6.