The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 7.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Missing Authorization vulnerability in sirv.Com Image Optimizer, Resizer and CDN – Sirv.This issue affects Image Optimizer, Resizer and CDN – Sirv: from n/a through 7.2.0.

Server-Side Request Forgery (SSRF) vulnerability in sirv.Com Image Optimizer, Resizer and CDN – Sirv.This issue affects Image Optimizer, Resizer and CDN – Sirv: from n/a through 7.2.0.