{"id":"CVE-2026-105601","kind":"vulnerability","aliases":["CVE-2026-105601"],"related":[],"title":"Joomla StageIt extension: reflected cross-site scripting in versions 1.0-5.7.5 and 6.0-6.3.5","description":"Joomla Extension - php-web-design.com - Reflected XSS in StageIt 1.0-5.7.5, 6.0-6.3.5","summary":"The StageIt extension for Joomla has a reflected cross-site scripting flaw in the versions listed. An attacker can get a victim's browser to run script in the context of the Joomla site when the victim opens a crafted link.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["joomla","package","php","stageit"],"not_affected_if":["extension-not-installed"],"how_to_check":"- Check the installed StageIt extension version in the Joomla administrator under Extensions > Manage.\n- Confirm whether the StageIt component is installed at all.","fix":null,"status":"open","published_at":"2026-11-02T14:17:34+00:00","first_seen_at":"2026-11-02T14:23:23+00:00","triaged_at":"2026-11-02T14:24:52+00:00","updated_at":"2026-11-02T14:24:52+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-02T14:24:52Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"Joomla StageIt extension: reflected cross-site scripting in versions 1.0-5.7.5 and 6.0-6.3.5","impact":"medium","summary":"The StageIt extension for Joomla has a reflected cross-site scripting flaw in the versions listed. An attacker can get a victim's browser to run script in the context of the Joomla site when the victim opens a crafted link.","audience":"businesses","category":"package","nicknames":[],"who_cares":["joomla","stageit","php"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Script runs in visitors' browsers on the Joomla site, exposing sessions.","analyst_note":"Check the NVD entry and the vendor page for the fixed version and the vulnerable parameter.","how_to_check":"- Check the installed StageIt extension version in the Joomla administrator under Extensions > Manage.\n- Confirm whether the StageIt component is installed at all.","plain_action":"","needs_analyst":true,"not_affected_if":["extension-not-installed"],"who_is_affected":"Joomla sites with the StageIt extension installed in the listed version ranges are exposed. The sources do not say which request parameters are involved or whether the flaw needs a logged-in user. Sites without StageIt can skip it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000662,"input_tokens":4086,"output_tokens":507,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-105601':18A,21A '-2026':17A,20A '1.0':11A,75C '5.7.5':12A,76C '6.0':14A,77C '6.3.5':15A,78C 'attack':44B 'browser':50B 'context':56B 'craft':66B 'cross':6A,35B 'cross-sit':5A,34B 'cve':16A,19A 'extens':3A,28B,69C 'flaw':38B 'get':46B 'joomla':1A,22B,30B,59B,68C 'link':67B 'list':42B 'open':64B 'packag':23B 'php':24B 'php-web-design.com':70C 'reflect':4A,33B,71C 'run':52B 'script':8A,37B,53B 'site':7A,36B,60B 'stageit':2A,25B,27B,74C 'version':10A,41B 'victim':48B,63B 'xss':72C","nicknames":[],"mitigations":[],"who_affected":"Joomla sites with the StageIt extension installed in the listed version ranges are exposed. The sources do not say which request parameters are involved or whether the flaw needs a logged-in user. Sites without StageIt can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["joomla","medium","package","php","stageit"],"first_public_at":"2026-11-02T14:17:34+00:00","kev":null,"cvss_vector":"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","cvss_by":"security@joomla.org","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105601","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105601","severity":null,"published_at":"2026-11-02T14:17:34+00:00","modified_at":"2026-11-02T14:17:34+00:00","first_seen_at":"2026-11-02T14:23:23+00:00","fetched_at":"2026-11-02T14:23:23+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}