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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.

PUBLISHED Reserved 2026-01-10 | Published 2026-06-08 | Updated 2026-06-08 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Missing Authentication for Critical Function

Product status

1.0.3
affected

Credits

Milad Karimi (Ex3ptionaL) finder

References

www.exploit-db.com/exploits/51789 (ExploitDB-51789) exploit

www.vulncheck.com/...e-remote-code-execution-unauthenticated (VulnCheck Advisory: WordPress Seotheme Remote Code Execution Unauthenticated) third-party-advisory

cve.org (CVE-2023-54352)

nvd.nist.gov (CVE-2023-54352)

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