CVE-2023-54352CWE-306

WordPress Seotheme Remote Code Execution Unauthenticated

Critical · published June 8, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
48.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00613 · 48.7th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-06-08T01:55Z
EPSS history
Timeline
  • 08 JUN 01:55Z
    WordPress Seotheme Remote Code Execution Unauthenticated
    cvelistv5