{"id":"CVE-2026-121764","kind":"vulnerability","aliases":["CVE-2026-121764"],"related":[],"title":"FV Flowplayer Video Player for WordPress: stored XSS through input handling","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FolioVision FV Flowplayer Video Player fv-wordpress-flowplayer allows Stored XSS.This issue affects FV Flowplayer Video Player: from n/a through 7.5.56.7212.","summary":"FV Flowplayer Video Player, a WordPress plugin, fails to neutralize input when generating web pages, enabling stored cross-site scripting. An attacker who can store crafted content in the plugin can run scripts in other visitors' browsers.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fv-flowplayer","package","self-hosted","wordpress"],"not_affected_if":["plugin-not-installed","trusted-editors-only"],"how_to_check":"- Check the installed plugin version of `fv-wordpress-flowplayer` in the WordPress admin under Plugins.\n- Look for the FV Flowplayer plugin in the site's `wp-content/plugins/` directory and read its version header.","fix":"- Versions through `7.5.56.7212` are affected per NVD; move to a later release than that. A fixed version is not stated in the sources.","status":"open","published_at":"2026-11-09T10:17:07+00:00","first_seen_at":"2026-11-09T10:25:48+00:00","triaged_at":"2026-11-09T10:26:15+00:00","updated_at":"2026-11-09T10:26:15+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-09T10:26:15Z","model":"claude-haiku-5-5","output":{"fix":"- Versions through `7.5.56.7212` are affected per NVD; move to a later release than that. A fixed version is not stated in the sources.","reach":"internet","title":"FV Flowplayer Video Player for WordPress: stored XSS through input handling","impact":"medium","summary":"FV Flowplayer Video Player, a WordPress plugin, fails to neutralize input when generating web pages, enabling stored cross-site scripting. An attacker who can store crafted content in the plugin can run scripts in other visitors' browsers.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","fv-flowplayer","self-hosted"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"scripts run in visitors' browsers, stealing sessions or data","analyst_note":"Confirm the fixed version and required privilege from the NVD entry and the plugin vendor's changelog; the affected range is listed only as 'through 7.5.56.7212'.","how_to_check":"- Check the installed plugin version of `fv-wordpress-flowplayer` in the WordPress admin under Plugins.\n- Look for the FV Flowplayer plugin in the site's `wp-content/plugins/` directory and read its version header.","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["plugin-not-installed","trusted-editors-only"],"who_is_affected":"WordPress sites running FV Flowplayer Video Player at or below 7.5.56.7212 are exposed. Stored XSS needs a way to place content the plugin renders, so sites where only trusted administrators post content face less risk. Sites not running this plugin can skip it.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000769,"input_tokens":4569,"output_tokens":625,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-121764':14A,17A '-2026':13A,16A '7.5.56.7212':99C 'affect':91C 'allow':87C 'attack':48B 'browser':63B 'content':53B 'craft':52B 'cross':44B,73C 'cross-sit':43B,72C 'cve':12A,15A 'enabl':41B 'fail':33B 'flowplay':2A,20B,27B,80C,86C,93C 'foliovis':78C 'fv':1A,19B,26B,79C,84C,92C 'fv-flowplay':18B 'fv-wordpress-flowplay':83C 'generat':38B,71C 'handl':11A 'host':24B 'improp':64C 'input':10A,36B,67C 'issu':90C 'n/a':97C 'neutral':35B,65C 'packag':21B 'page':40B,70C 'player':4A,29B,82C,95C 'plugin':32B,56B 'run':58B 'script':46B,59B,75C 'self':23B 'self-host':22B 'site':45B,74C 'store':7A,42B,51B,88C 'video':3A,28B,81C,94C 'visitor':62B 'vulner':76C 'web':39B,69C 'wordpress':6A,25B,31B,85C 'xss':8A 'xss.this':89C","nicknames":[],"mitigations":[],"who_affected":"WordPress sites running FV Flowplayer Video Player at or below 7.5.56.7212 are exposed. Stored XSS needs a way to place content the plugin renders, so sites where only trusted administrators post content face less risk. Sites not running this plugin can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["fvflowplayer","high","package","selfhosted","wordpress"],"campaign_type":null,"search_a":"'-121764':14A,17A '-2026':13A,16A 'cve':12A,15A 'flowplay':2A 'fv':1A 'handl':11A 'input':10A 'player':4A 'store':7A 'video':3A 'wordpress':6A 'xss':8A","search_b":"'attack':48B 'browser':63B 'content':53B 'craft':52B 'cross':44B 'cross-sit':43B 'enabl':41B 'fail':33B 'flowplay':20B,27B 'fv':19B,26B 'fv-flowplay':18B 'generat':38B 'host':24B 'input':36B 'neutral':35B 'packag':21B 'page':40B 'player':29B 'plugin':32B,56B 'run':58B 'script':46B,59B 'self':23B 'self-host':22B 'site':45B 'store':42B,51B 'video':28B 'visitor':62B 'web':39B 'wordpress':25B,31B","search_c":"'7.5.56.7212':99C 'affect':91C 'allow':87C 'cross':73C 'cross-sit':72C 'flowplay':80C,86C,93C 'foliovis':78C 'fv':79C,84C,92C 'fv-wordpress-flowplay':83C 'generat':71C 'improp':64C 'input':67C 'issu':90C 'n/a':97C 'neutral':65C 'page':70C 'player':82C,95C 'script':75C 'site':74C 'store':88C 'video':81C,94C 'vulner':76C 'web':69C 'wordpress':85C 'xss.this':89C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-09T10:17:07+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121764","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121764","severity":null,"published_at":"2026-11-09T10:17:07+00:00","modified_at":"2026-11-09T10:17:07+00:00","first_seen_at":"2026-11-09T10:25:48+00:00","fetched_at":"2026-11-09T10:25:48+00:00","note":null}],"documents":[],"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"}