What’s Vulnerable › Vulnerabilities

CVE-2025-4099: List Children <= 2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-01 · updated 2026-06-17
• Weakness: CWE-79

Description

The List Children plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'list_children' shortcode in all versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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

• theandystratton List Children: before 2.2.0 — fixed in 2.2.0

How to fix

Upgrade to a fixed version: theandystratton List Children 2.2.0. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/list-children/trunk/list_children.php#L26
• https://plugins.trac.wordpress.org/changeset/3284430/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/538b4d4b-f8c6-44db-89d2-d345bfbfecb2?source=cve

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