CVE-2026-3003
High
Description
The Vagaro Booking Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘vagaro_code’ parameter in all versions up to, and including, 0.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
SeverityHigh
CVSS7.2
Exploit probability—
Product
Vagaro Booking Widget
PublishedMar 21, 2026
First seenMar 21, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vagaro Vagaro Booking Widget | v ≤ 0.3 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.