CVE-2023-51473 CRITICAL

CVE-2023-51473: WordPress TerraClassifieds Plugin <= 2.0.3 is vulnerable to Arbitrary File Upload

Vendor Pixelemu
Product TerraClassifieds – Simple Classifieds Plugin
Weakness CWE-434 · Unrestricted file upload
Published December 29, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Pixelemu TerraClassifieds – Simple Classifieds Plugin.This issue affects TerraClassifieds – Simple Classifieds Plugin: from n/a through 2.0.3.

Explanation of Vulnerability in Simple Terms

02Summary

TerraClassifieds allows unauthenticated attackers to upload files without restriction, enabling them to run malicious code on the site. The vulnerability affects all versions up to 2.0.3. No authentication or user interaction is required to exploit this flaw. Site administrators should update immediately to a version newer than 2.0.3.

What an attacker can do

03Attacker Capabilities

Upload and execute arbitrary files on the site without authentication.

Potential impact on your site

04Site Impact

Complete site compromise: attackers can run code, steal data, modify content, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 29, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-6960 BookingPress Pro <= 5.6 - Unauthenticated Arbitrary File Upload via Signature Custom Field CVE-2026-65461 WordPress Really Simple CSV Importer plugin <= 1.3 - Arbitrary File Upload vulnerability CVE-2026-14282 GoDAM <= 1.12.2 - Unauthenticated Arbitrary File Upload via WPForms File Upload Field CVE-2026-14489 WHMCS Bridge <= 6.9 - Unauthenticated Arbitrary File Upload via 'ccce' Parameter CVE-2026-14345 WPFunnels <= 3.12.7 - Unauthenticated Remote Code Execution via 'postData' Parameter