What’s Vulnerable › Vulnerabilities

CVE-2025-12379: Shortcodes and extra features for Phlox theme <= 2.17.13 - Authenticated (Contributor+) Stored Cross-Site Scripting via Modern Heading Widget

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-10 · updated 2026-06-17
• Weakness: CWE-79

Description

The Shortcodes and extra features for Phlox theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a combination of the 'tag' and ‘title_tag’ parameters in all versions up to, and including, 2.17.13 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 Shortcodes and extra features for Phlox theme: through 2.17.13

References

• https://plugins.trac.wordpress.org/browser/auxin-elements/tags/2.17.12/includes/elementor/widgets/heading-modern.php#L1194
• https://plugins.trac.wordpress.org/changeset/3429103/auxin-elements/trunk/includes/elementor/widgets/heading-modern.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1144e0d9-692e-45a5-ac63-bcdd64a8bd8a?source=cve

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