{"id":"CVE-2026-106142","kind":"vulnerability","aliases":["CVE-2026-106142"],"related":[],"title":"KendoReact Editor: crafted link lets scripts run in other users' browsers","description":"Cross-Site Scripting (XSS) in the Editor component (@progress/kendo-react-editor) in Progress Software KendoReact versions 2.7.0 through 16.1.0 allows a low-privileged attacker who can supply Editor content to execute arbitrary JavaScript in another user's browser via a link with an unsafe URL in the Editor content, which runs when the user clicks the link.","summary":"The Editor component in the @progress/kendo-react-editor package does not block unsafe URLs in links, so a low-privileged user can insert a link that runs JavaScript when another user clicks it. The attacker can run script in the victim's browser session, which can expose data or actions available to that user.","severity":"medium","cvss":5.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["kendo-react","package","react","web-apps"],"not_affected_if":["no-user-supplied-editor-content","versions-outside-range"],"how_to_check":"- Check whether the project depends on `@progress/kendo-react-editor` (for example with `npm ls @progress/kendo-react-editor`).\n- Check the installed version; affected versions are 2.7.0 through 16.1.0.","fix":"- `@progress/kendo-react-editor`: move to a version later than 16.1.0 (the fixed version is not stated in the sources; unknown)","status":"open","published_at":"2026-11-06T17:17:12+00:00","first_seen_at":"2026-11-06T17:43:12+00:00","triaged_at":"2026-11-06T17:45:25+00:00","updated_at":"2026-11-06T17:45:25+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-06T17:45:25Z","model":"claude-haiku-5-5","output":{"fix":"- `@progress/kendo-react-editor`: move to a version later than 16.1.0 (the fixed version is not stated in the sources; unknown)","reach":"internet","title":"KendoReact Editor: crafted link lets scripts run in other users' browsers","impact":"medium","summary":"The Editor component in the @progress/kendo-react-editor package does not block unsafe URLs in links, so a low-privileged user can insert a link that runs JavaScript when another user clicks it. The attacker can run script in the victim's browser session, which can expose data or actions available to that user.","audience":"developers","category":"package","nicknames":[],"who_cares":["kendo-react","react","web-apps"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"Script runs in another user's browser session when they click a link","analyst_note":"Find the fixed version of @progress/kendo-react-editor and the vendor advisory; the sources give only the affected range 2.7.0 through 16.1.0.","how_to_check":"- Check whether the project depends on `@progress/kendo-react-editor` (for example with `npm ls @progress/kendo-react-editor`).\n- Check the installed version; affected versions are 2.7.0 through 16.1.0.","plain_action":"","needs_analyst":true,"not_affected_if":["no-user-supplied-editor-content","versions-outside-range"],"who_is_affected":"Applications that use the KendoReact Editor component to let users enter or edit rich content that other users then view. Apps that never render user-supplied Editor content, or that only use the Editor for trusted content, are less exposed. The sources do not say whether any sanitisation in the host application mitigates this.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000737,"input_tokens":4266,"output_tokens":621,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-106142':14A,17A '-2026':13A,16A '16.1.0':96C '2.7.0':94C 'action':74B 'allow':97C 'anoth':54B,113C 'app':25B 'arbitrari':110C 'attack':59B,102C 'avail':75B 'block':35B 'browser':11A,67B,116C 'click':56B,133C 'compon':28B,87C 'content':107C,127C 'craft':3A 'cross':80C 'cross-sit':79C 'cve':12A,15A 'data':72B 'editor':2A,27B,86C,106C,126C 'execut':109C 'expos':71B 'insert':47B 'javascript':52B,111C 'kendo':19B 'kendo-react':18B 'kendoreact':1A,92C 'let':5A 'link':4A,39B,49B,119C,135C 'low':43B,100C 'low-privileg':42B,99C 'packag':21B,32B 'privileg':44B,101C 'progress':90C 'progress/kendo-react-editor':31B,88C 'react':20B,22B 'run':7A,51B,61B,129C 'script':6A,62B,82C 'session':68B 'site':81C 'softwar':91C 'suppli':105C 'unsaf':36B,122C 'url':37B,123C 'user':10A,45B,55B,78B,114C,132C 'version':93C 'via':117C 'victim':65B 'web':24B 'web-app':23B 'xss':83C","nicknames":[],"mitigations":[],"who_affected":"Applications that use the KendoReact Editor component to let users enter or edit rich content that other users then view. Apps that never render user-supplied Editor content, or that only use the Editor for trusted content, are less exposed. The sources do not say whether any sanitisation in the host application mitigates this.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["kendoreact","medium","package","react","webapps"],"campaign_type":null,"search_a":"'-106142':14A,17A '-2026':13A,16A 'browser':11A 'craft':3A 'cve':12A,15A 'editor':2A 'kendoreact':1A 'let':5A 'link':4A 'run':7A 'script':6A 'user':10A","search_b":"'action':74B 'anoth':54B 'app':25B 'attack':59B 'avail':75B 'block':35B 'browser':67B 'click':56B 'compon':28B 'data':72B 'editor':27B 'expos':71B 'insert':47B 'javascript':52B 'kendo':19B 'kendo-react':18B 'link':39B,49B 'low':43B 'low-privileg':42B 'packag':21B,32B 'privileg':44B 'progress/kendo-react-editor':31B 'react':20B,22B 'run':51B,61B 'script':62B 'session':68B 'unsaf':36B 'url':37B 'user':45B,55B,78B 'victim':65B 'web':24B 'web-app':23B","search_c":"'16.1.0':96C '2.7.0':94C 'allow':97C 'anoth':113C 'arbitrari':110C 'attack':102C 'browser':116C 'click':133C 'compon':87C 'content':107C,127C 'cross':80C 'cross-sit':79C 'editor':86C,106C,126C 'execut':109C 'javascript':111C 'kendoreact':92C 'link':119C,135C 'low':100C 'low-privileg':99C 'privileg':101C 'progress':90C 'progress/kendo-react-editor':88C 'run':129C 'script':82C 'site':81C 'softwar':91C 'suppli':105C 'unsaf':122C 'url':123C 'user':114C,132C 'version':93C 'via':117C 'xss':83C","first_public_at":"2026-11-06T17:17:12+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cvss_by":"security@progress.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-106142","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106142","severity":null,"published_at":"2026-11-06T17:17:12+00:00","modified_at":"2026-11-06T17:17:12+00:00","first_seen_at":"2026-11-06T17:43:12+00:00","fetched_at":"2026-11-06T17:43:12+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}