CVE-2023-46623 CRITICAL

CVE-2023-46623: WordPress WP EXtra Plugin <= 6.2 is vulnerable to Remote Code Execution (RCE)

Vendor Tiencop

Product WP EXtra

Weakness CWE-94 · Code injection

Published December 29, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

9.9/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper Control of Generation of Code ('Code Injection') vulnerability in TienCOP WP EXtra.This issue affects WP EXtra: from n/a through 6.2.

Explanation of Vulnerability in Simple Terms

02Summary

WP EXtra versions up to 6.2 contain a code injection vulnerability that allows authenticated users with low privileges to run arbitrary PHP code on the site. The vulnerability stems from insufficient input validation and can affect the entire site due to scope change. An attacker needs only a low-privilege account and network access to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with full site impact.

Potential impact on your site

04Site Impact

Any low-privilege user account can compromise the entire site, including data theft, malware injection, and site takeover.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account and network access.

Key dates

06Disclosure timeline

December 29, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-46623 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/94.html AskarLabs — CWE-94 write-up Code Injection

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