Critical 9.8Published Jun 7, 2026

CVE-2023-54352WordPress Seotheme Remote Code Execution Unauthenticated

Updated under an hour ago (Oct 26, 2026, 12:20 PM ET)

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It affects WP Travel Kit Travelscape. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jun 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

WP Travel Kit Travelscape wp_travel_kit:travelscape (from the name)	1.0.3	CNA record

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.