CVE-2026-1306 Details.
WordPress midi-Synth <= 1.1.0 - Unauthenticated Arbitrary File Upload
Atlas does not check this one. Needs requests that change data.
To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check.
About CVE-2026-1306. What It Means.
WordPress midi-Synth plugin \u003C= 1.1.0 contains an unrestricted file upload vulnerability caused by missing file type and extension validation in the 'export' AJAX action, letting unauthenticated attackers upload arbitrary files and potentially execute remote code, exploit requires attacker to obtain a valid nonce exposed in frontend JavaScript.
Affected Product. What Is Hit.
- Vendor
- wordpress
- Product
- WordPress Midi Synth
FAQ
Common Questions.
WordPress midi-Synth <= 1.1.0 - Unauthenticated Arbitrary File Upload. WordPress midi-Synth plugin \u003C= 1.1.0 contains an unrestricted file upload vulnerability caused by missing file type and extension validation in the 'export' AJAX action, letting unauthenticated attackers upload arbitrary files and potentially execute remote code, exploit requires attacker to obtain a valid nonce exposed in frontend JavaScript.
No. To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check. The facts about CVE-2026-1306 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-1306 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update WordPress Midi Synth to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-1306. Atlas does not run a check for it, so nothing here says whether a particular site is affected.