{"id":"CVE-2025-71462","kind":"vulnerability","aliases":["CVE-2025-71462"],"related":[],"title":"Zipline: login page XSS via unvalidated url parameter","description":"Zipline before 3.7.12 contains a cross-site scripting vulnerability in the login page that allows attackers to execute JavaScript by supplying an unvalidated url parameter. Attackers can craft a login link with a javascript: URI in the url parameter that executes in the victim's browser after login.","summary":"Zipline, a self-hosted file sharing server, fails to validate the url parameter on its login page. An attacker can craft a login link with a javascript: URI that runs script in the victim's browser after they log in.","severity":"medium","cvss":6.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","self-hosted","zipline"],"not_affected_if":["zipline-3.7.12-or-later"],"how_to_check":"- Check the Zipline version in your deployment, for example in `package.json` or the container image tag.\n- Look for the login page's `url` parameter handling in your deployed build if you have modified it.","fix":"- Zipline `3.7.12` (fixes all versions before `3.7.12`).","status":"open","published_at":"2026-11-13T10:17:24+00:00","first_seen_at":"2026-11-13T10:47:09+00:00","triaged_at":"2026-11-13T10:56:31+00:00","updated_at":"2026-11-13T10:56:31+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-13T10:56:31Z","model":"claude-haiku-5-5","output":{"fix":"- Zipline `3.7.12` (fixes all versions before `3.7.12`).","reach":"internet","title":"Zipline: login page XSS via unvalidated url parameter","impact":"medium","summary":"Zipline, a self-hosted file sharing server, fails to validate the url parameter on its login page. An attacker can craft a login link with a javascript: URI that runs script in the victim's browser after they log in.","audience":"businesses","category":"package","nicknames":[],"who_cares":["zipline","self-hosted"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"script runs in a logged-in user's browser session","analyst_note":"","how_to_check":"- Check the Zipline version in your deployment, for example in `package.json` or the container image tag.\n- Look for the login page's `url` parameter handling in your deployed build if you have modified it.","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["zipline-3.7.12-or-later"],"who_is_affected":"Teams that run Zipline 3.7.x or earlier and expose its login page to users. The flaw needs a crafted link that a user must open and then log in through, so exposure depends on whether users follow links to your instance.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000699,"input_tokens":4591,"output_tokens":479,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2025':10A,13A '-71462':11A,14A '3.7.12':62C 'allow':75C 'attack':39B,76C,86C 'browser':56B,106C 'contain':63C 'craft':41B,88C 'cross':66C 'cross-sit':65C 'cve':9A,12A 'execut':78C,101C 'fail':28B 'file':25B 'host':18B,24B 'javascript':47B,79C,94C 'link':44B,91C 'log':59B 'login':2A,36B,43B,72C,90C,108C 'packag':15B 'page':3A,37B,73C 'paramet':8A,33B,85C,99C 'run':50B 'script':51B,68C 'self':17B,23B 'self-host':16B,22B 'server':27B 'share':26B 'site':67C 'suppli':81C 'unvalid':6A,83C 'uri':48B,95C 'url':7A,32B,84C,98C 'valid':30B 'via':5A 'victim':54B,104C 'vulner':69C 'xss':4A 'ziplin':1A,19B,20B,60C","nicknames":[],"mitigations":[],"who_affected":"Teams that run Zipline 3.7.x or earlier and expose its login page to users. The flaw needs a crafted link that a user must open and then log in through, so exposure depends on whether users follow links to your instance.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","selfhosted","zipline"],"campaign_type":null,"search_a":"'-2025':10A,13A '-71462':11A,14A 'cve':9A,12A 'login':2A 'page':3A 'paramet':8A 'unvalid':6A 'url':7A 'via':5A 'xss':4A 'ziplin':1A","search_b":"'attack':39B 'browser':56B 'craft':41B 'fail':28B 'file':25B 'host':18B,24B 'javascript':47B 'link':44B 'log':59B 'login':36B,43B 'packag':15B 'page':37B 'paramet':33B 'run':50B 'script':51B 'self':17B,23B 'self-host':16B,22B 'server':27B 'share':26B 'uri':48B 'url':32B 'valid':30B 'victim':54B 'ziplin':19B,20B","search_c":"'3.7.12':62C 'allow':75C 'attack':76C,86C 'browser':106C 'contain':63C 'craft':88C 'cross':66C 'cross-sit':65C 'execut':78C,101C 'javascript':79C,94C 'link':91C 'login':72C,90C,108C 'page':73C 'paramet':85C,99C 'script':68C 'site':67C 'suppli':81C 'unvalid':83C 'uri':95C 'url':84C,98C 'victim':104C 'vulner':69C 'ziplin':60C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2025-01-31T03:28:36+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2025-71462","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71462","severity":null,"published_at":"2026-11-13T10:17:24+00:00","modified_at":"2026-11-13T10:17:24+00:00","first_seen_at":"2026-11-13T10:47:09+00:00","fetched_at":"2026-11-13T10:47:09+00:00","note":null}],"documents":[{"id":144852,"url":"https://github.com/diced/zipline/security/advisories/GHSA-m288-p6wr-m6gv","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2025-01-31T03:28:36+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":144853,"url":"https://www.vulncheck.com/advisories/zipline-before-3.7.12-xss-via-url-parameter-on-login-page","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}