CVE-2025-4776: Averta Phlox

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

The Phlox theme for WordPress is vulnerable to Stored Cross-Site Scripting via the `data-caption` HTML attribute in all versions up to, and including, 2.17.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Averta Phlox: up to and including 2.17.7

Published 2026-01-06. Last modified 2026-10-07.