CVE-2026-65461
A critical flaw in the Really Simple CSV Importer plugin allows an attacker to upload any file, including malicious code, without authentication. The vulnerability exists in all versions up to 1.3. If exploited, it could let attackers take full control of the affected site.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
WordPress sites using the Really Simple CSV Importer plugin version 1.3 or earlier.
Real-world impact
An attacker could upload a PHP script or other executable file and then run it, giving them full control over the website, data theft, defacement, or further attacks.
Why this severity
The CVSS score of 9.1 reflects that the flaw is network reachable, low effort, requires high privileges (but not authentication), no user interaction, and can compromise confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources