CVE-2025-13156

High

Published: 21 November 2025

Published

21 November 2025

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0027 50.9th percentile

Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-13156 is a high-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Wordpress (inferred from references). Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 49.1% 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).

Deeper analysis

CVE-2025-13156 is an arbitrary file upload vulnerability in the Vitepos – Point of Sale (POS) for WooCommerce plugin for WordPress, affecting all versions up to and including 3.3.0. The issue stems from missing file type validation in the insert_media_attachment() function, exploited via the save_update_category_img() function, which accepts user-supplied file types without validation during category image processing.

Authenticated attackers with subscriber-level access or higher can exploit this vulnerability over the network with low complexity and no user interaction. Successful exploitation allows uploading arbitrary files to the affected site's server, enabling remote code execution. The vulnerability carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) and maps to CWE-434 (Unrestricted Upload of File with Dangerous Type).

Mitigation is provided through a patch in WordPress plugins trac changeset 3398044. Further details on the vulnerability and remediation are available in the Wordfence threat intelligence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/bd478bb7-f0d7-4a29-8236-96ad69b5ae67?source=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-198394

Vulnerability details

The Vitepos – Point of Sale (POS) for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the insert_media_attachment() function in all versions up to, and including, 3.3.0. This is due to…

the save_update_category_img() function accepting user-supplied file types without validation when processing category images. This makes it possible for authenticated attackers, with subscriber level access and above, to upload arbitrary files on the affected site's server which makes remote code execution possible.

CWE(s): CWE-434

Related Threats

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 →

Why these techniques?

Arbitrary file upload vulnerability in public-facing WordPress plugin allows authenticated remote code execution, directly enabling exploitation of a public-facing application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0