{"id":"CVE-2025-71453","kind":"vulnerability","aliases":["CVE-2025-71453"],"related":[],"title":"vtenext: reflected cross-site scripting in home widget list lets scripts run","description":"vtenext before 25.02.2 contains a reflected cross-site scripting vulnerability in modules/Home/HomeWidgetBlockList.php that echoes unsanitized widgetId keys from the widgetInfoList JSON parameter. Attackers can induce a logged-in user to submit a crafted POST request with HTML in widgetId keys, executing JavaScript in the victim's vtenext session.","summary":"vtenext before 25.02.2 echoes unsanitized widgetId keys from the widgetInfoList parameter in HomeWidgetBlockList.php. An attacker who tricks a logged-in user into submitting a crafted POST request can run JavaScript inside that user's vtenext session.","severity":"medium","cvss":6.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","php","self-hosted","vtenext"],"not_affected_if":["version-25.02.2-or-later"],"how_to_check":"- Check the installed vtenext version in the application's version file or admin panel and compare it to `25.02.2`.\n- Look for `modules/Home/HomeWidgetBlockList.php` in the deployed code and confirm whether it echoes `widgetId` values without escaping.","fix":"- vtenext versions before `25.02.2` are affected; move to `25.02.2` or later.","status":"open","published_at":"2026-11-04T21:17:39+00:00","first_seen_at":"2026-11-04T21:49:16+00:00","triaged_at":"2026-11-04T21:51:18+00:00","updated_at":"2026-11-04T21:51:18+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-11-04T21:51:18Z","model":"claude-haiku-5-5","output":{"fix":"- vtenext versions before `25.02.2` are affected; move to `25.02.2` or later.","reach":"internet","title":"vtenext: reflected cross-site scripting in home widget list lets scripts run","impact":"medium","summary":"vtenext before 25.02.2 echoes unsanitized widgetId keys from the widgetInfoList parameter in HomeWidgetBlockList.php. An attacker who tricks a logged-in user into submitting a crafted POST request can run JavaScript inside that user's vtenext session.","audience":"businesses","category":"package","nicknames":[],"who_cares":["vtenext","self-hosted","php"],"confidence":0.8,"fix_status":"available","needs_auth":"yes","worst_case":"Attacker runs JavaScript in a logged-in user's vtenext session","analyst_note":"","how_to_check":"- Check the installed vtenext version in the application's version file or admin panel and compare it to `25.02.2`.\n- Look for `modules/Home/HomeWidgetBlockList.php` in the deployed code and confirm whether it echoes `widgetId` values without escaping.","plain_action":"","needs_analyst":false,"not_affected_if":["version-25.02.2-or-later"],"who_is_affected":"Any organization running vtenext before 25.02.2 with logged-in users. Exposure depends on users being lured into submitting a crafted request, so the risk is mainly to users who also browse untrusted content while signed in. Installations already on 25.02.2 or later are not affected.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000698,"input_tokens":4175,"output_tokens":561,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2025':15A,18A '-71453':16A,19A '25.02.2':28B,65C 'attack':40B,86C 'contain':66C 'craft':51B,97C 'cross':4A,70C 'cross-sit':3A,69C 'cve':14A,17A 'echo':29B,77C 'execut':105C 'home':8A 'homewidgetblocklist.php':38B 'host':24B 'html':101C 'induc':88C 'insid':57B 'javascript':56B,106C 'json':84C 'key':32B,80C,104C 'let':11A 'list':10A 'log':45B,91C 'logged-in':44B,90C 'modules/home/homewidgetblocklist.php':75C 'packag':20B 'paramet':36B,85C 'php':21B 'post':52B,98C 'reflect':2A,68C 'request':53B,99C 'run':13A,55B 'script':6A,12A,72C 'self':23B 'self-host':22B 'session':62B,112C 'site':5A,71C 'submit':49B,95C 'trick':42B 'unsanit':30B,78C 'user':47B,59B,93C 'victim':109C 'vtenext':1A,25B,26B,61B,63C,111C 'vulner':73C 'widget':9A 'widgetid':31B,79C,103C 'widgetinfolist':35B,83C","nicknames":[],"mitigations":[],"who_affected":"Any organization running vtenext before 25.02.2 with logged-in users. Exposure depends on users being lured into submitting a crafted request, so the risk is mainly to users who also browse untrusted content while signed in. Installations already on 25.02.2 or later are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","php","selfhosted","vtenext"],"campaign_type":null,"first_public_at":"2026-11-04T21:17:39+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-2025-71453","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71453","severity":null,"published_at":"2026-11-04T21:17:39+00:00","modified_at":"2026-11-04T21:17:39+00:00","first_seen_at":"2026-11-04T21:49:16+00:00","fetched_at":"2026-11-04T21:49:16+00:00","note":null}],"documents":[{"id":70602,"url":"https://www.vulncheck.com/advisories/vtenext-before-25.02.2-reflected-xss-via-widgetinfolist-in-homewidgetblocklist","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"}],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}