CVE-2025-9762

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{}

{"analysis": {"en": {"generated_at": "2026-04-21T02:43:32.014780+00:00", "value": {"mitigation_remediation": ["Update the Post By Email plugin to a version newer than 1.0.4b or the vendor\u2019s latest release that includes file\u2011type validation.", "If the plugin is not required, permanently disable or delete it from the WordPress installation.", "Configure WordPress or the web server to restrict uploaded file types and enforce strict MIME\u2011type checking, ensuring only safe file formats are accepted."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution (potential)"}, "threat_synthesis": {"affected_systems": "WordPress sites that use the Post By Email plugin version 1.0.4b or earlier are affected. The plugin is available as a WordPress Core plugin and is listed under the vendor \"westi\".", "description_and_impact": "The Post By Email WordPress plugin allows any unauthenticated user to upload files because the save_attachments function does not validate the file type. This flaw, classified as CWE-78, lets an attacker place arbitrary files\u2014including executable scripts\u2014onto the web server. Once on the server, those files can be accessed via a browser, enabling remote code execution or other malicious actions.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 9.8, indicating critical severity, while the EPSS score is below 1% but not zero, suggesting that exploitation is low probability but still possible. The vulnerability is not listed in CISA KEV. The attack vector is remote and unauthenticated: an attacker sends an email with a malicious attachment to the site\u2019s configured email address, the plugin stores the attachment without checks, and the attacker later accesses it through a browser to execute code."}}}}, "created": "2025-09-30T08:47:27.531791+00:00", "updated": "2026-04-21T02:45:25.957118+00:00", "vendors": ["westi", "westi$PRODUCT$post_by_email", "wordpress", "wordpress$PRODUCT$wordpress"]}