CVE-2026-15282

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-07-10

The Instant Appointment plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'insapp_upload_image_as_attachment' function in all versions up to, and including, 1.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

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Exploitation outlook

Low exploitation risk0.74% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 50% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-15282: The Instant Appointment plugin for WordPress is vulnerable to arbitrary file uploads due to mi…nvd · 2026-07-10

External references

NVD record for CVE-2026-15282

CVE.org record

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