CVE-2025-4776

MEDIUM 6.4

Phlox <= 2.17.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via `data-caption` HTML Attribute

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	averta
Product	phlox
Published	Jan 6, 2026
Last Updated	Apr 8, 2026

Stay Ahead of the Next One

Get instant alerts for averta phlox

Be the first to know when new medium vulnerabilities affecting averta phlox are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

averta / Phlox

0 ≤ 2.17.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/a49f8150-a27d-4801-8923-31af335c3cbd?source=cve themes.trac.wordpress.org: https://themes.trac.wordpress.org/changeset/300858/

Credits

Craig Smith