Critical severity · published Jun 8, 2026
CVE-2023-54352
WordPress Seotheme Remote Code Execution Unauthenticated
9.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TR
Travelscape · WP Travel Kit
1.0.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-54352
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-54352
www.exploit-db.com
https://www.exploit-db.com/exploits/51789
www.vulncheck.com
https://www.vulncheck.com/advisories/wordpress-seotheme-remote-code-execution-unauthenticated
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