CVE-2023-54352

9.3 criticalEPSS 0.6%

Critical (9.3). EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

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

CVSS 3.1

9.8 critical

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2026-06-08
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

https://www.exploit-db.com/exploits/51789
https://www.vulncheck.com/advisories/wordpress-seotheme-remote-code-execution-unauthenticated

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