9.8
CRITICAL CVSS 3.1
CVE-2023-54352
WordPress Seotheme Remote Code Execution Unauthenticated
Description

WordPress Seotheme contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by uploading malicious files to the theme directory. Attackers can access the uploaded PHP shell at /wp-content/themes/seotheme/mar.php to execute system commands and upload additional files for persistent access.

INFO

Published Date :

June 8, 2026, 2:16 a.m.

Last Modified :

June 8, 2026, 2:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-54352 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 CRITICAL [email protected]
Solution
Restrict file uploads and update the theme to prevent remote code execution.
  • Disable direct theme file uploads.
  • Update the affected theme to the latest version.
  • Remove malicious files from the theme directory.
  • Review file upload configurations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-54352.

URL Resource
https://www.exploit-db.com/exploits/51789
https://www.vulncheck.com/advisories/wordpress-seotheme-remote-code-execution-unauthenticated
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-54352 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-54352 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-54352 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 08, 2026

    Action Type Old Value New Value
    Added Description WordPress Seotheme contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by uploading malicious files to the theme directory. Attackers can access the uploaded PHP shell at /wp-content/themes/seotheme/mar.php to execute system commands and upload additional files for persistent access.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-306
    Added Reference https://www.exploit-db.com/exploits/51789
    Added Reference https://www.vulncheck.com/advisories/wordpress-seotheme-remote-code-execution-unauthenticated
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.