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CVE-2023-54352: WordPress Seotheme Remote Code Execution Unauthenticated

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-08 · updated 2026-07-23
• Weakness: CWE-306

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.

Affected products

• WP Travel Kit Travelscape: 1.0.3

References

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

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