{"id":"CVE-2026-16618","published":"2026-08-04T07:16:30.707","lastModified":"2026-08-04T18:16:47.610","description":"The Improve SEO WordPress plugin through 2.0.11 does not properly validate uploaded files, checking only the file content type while writing the file with the attacker-supplied extension into a publicly accessible directory, allowing unauthenticated users to upload executable PHP files and achieve remote code execution.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-434"],"vendors":[],"products":[],"references":[{"url":"https://wpscan.com/vulnerability/3754d4c0-1b67-49a4-a29a-7169446638d1/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The flaw allows unauthenticated users to upload executable PHP files due to improper file validation in the Improve SEO WordPress plugin, leading to remote code execution.","exploitability":"Exploitation is relatively easy as it requires uploading a malicious PHP file; no authentication is needed beforehand.","blast_radius":"If exploited, this could lead to full control of the affected website or server, with potential impacts ranging from data theft to complete system compromise.","remediation":"Update the Improve SEO WordPress plugin to version 2.0.12 or later, which addresses this vulnerability.","tags":["rce","web","php","wordpress"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-08-11T06:41:11.216Z"}}