{"id":"CVE-2026-122666","kind":"vulnerability","aliases":["CVE-2026-122666"],"related":[],"title":"Mang Board WP: reflected XSS lets attackers run scripts in visitors' browsers","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kitae Park Mang Board WP mangboard allows Reflected XSS.This issue affects Mang Board WP: from n/a through 2.4.7.","summary":"Mang Board WP, a WordPress bulletin board plugin by Kitae Park, fails to neutralize input in generated pages, enabling reflected cross-site scripting. An attacker can get a victim's browser to run script in the context of the affected site, such as stealing session data.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mang-board-wp","package","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed Mang Board WP plugin version in the WordPress admin under Plugins, or in the plugin's `mangboard` directory header.\n- Confirm whether the installed version is `2.4.7` or earlier.","fix":"- Mang Board WP: versions after `2.4.7` (the sources state the affected range ends at `2.4.7`; the specific fixed version is unknown)","status":"open","published_at":"2026-11-09T11:17:23+00:00","first_seen_at":"2026-11-09T11:26:03+00:00","triaged_at":"2026-11-09T11:26:36+00:00","updated_at":"2026-11-09T11:26:36+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-09T11:26:36Z","model":"claude-haiku-5-5","output":{"fix":"- Mang Board WP: versions after `2.4.7` (the sources state the affected range ends at `2.4.7`; the specific fixed version is unknown)","reach":"internet","title":"Mang Board WP: reflected XSS lets attackers run scripts in visitors' browsers","impact":"medium","summary":"Mang Board WP, a WordPress bulletin board plugin by Kitae Park, fails to neutralize input in generated pages, enabling reflected cross-site scripting. An attacker can get a victim's browser to run script in the context of the affected site, such as stealing session data.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","mang-board-wp"],"confidence":0.6,"fix_status":"unknown","needs_auth":"no","worst_case":"attacker runs script in visitors' browsers on the site","analyst_note":"Confirm the fixed version of Mang Board WP after 2.4.7 and the affected parameter from the NVD or plugin changelog.","how_to_check":"- Check the installed Mang Board WP plugin version in the WordPress admin under Plugins, or in the plugin's `mangboard` directory header.\n- Confirm whether the installed version is `2.4.7` or earlier.","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the Mang Board WP WordPress plugin at version 2.4.7 or earlier are affected. Sites that do not use this plugin can skip it.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000737,"input_tokens":4548,"output_tokens":564,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-122666':15A,18A '-2026':14A,17A '2.4.7':103C 'affect':65B,96C 'allow':92C 'attack':7A,50B 'board':2A,21B,26B,31B,89C,98C 'browser':12A,56B 'bulletin':30B 'context':62B 'cross':46B,81C 'cross-sit':45B,80C 'cve':13A,16A 'data':71B 'enabl':43B 'fail':36B 'generat':41B,79C 'get':52B 'improp':72C 'input':39B,75C 'issu':95C 'kita':34B,86C 'let':6A 'mang':1A,20B,25B,88C,97C 'mang-board-wp':19B 'mangboard':91C 'n/a':101C 'neutral':38B,73C 'packag':23B 'page':42B,78C 'park':35B,87C 'plugin':32B 'reflect':4A,44B,93C 'run':8A,58B 'script':9A,48B,59B,83C 'session':70B 'site':47B,66B,82C 'steal':69B 'victim':54B 'visitor':11A 'vulner':84C 'web':77C 'wordpress':24B,29B 'wp':3A,22B,27B,90C,99C 'xss':5A 'xss.this':94C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Mang Board WP WordPress plugin at version 2.4.7 or earlier are affected. Sites that do not use this plugin can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","mangboardwp","package","wordpress"],"campaign_type":null,"search_a":"'-122666':15A,18A '-2026':14A,17A 'attack':7A 'board':2A 'browser':12A 'cve':13A,16A 'let':6A 'mang':1A 'reflect':4A 'run':8A 'script':9A 'visitor':11A 'wp':3A 'xss':5A","search_b":"'affect':65B 'attack':50B 'board':21B,26B,31B 'browser':56B 'bulletin':30B 'context':62B 'cross':46B 'cross-sit':45B 'data':71B 'enabl':43B 'fail':36B 'generat':41B 'get':52B 'input':39B 'kita':34B 'mang':20B,25B 'mang-board-wp':19B 'neutral':38B 'packag':23B 'page':42B 'park':35B 'plugin':32B 'reflect':44B 'run':58B 'script':48B,59B 'session':70B 'site':47B,66B 'steal':69B 'victim':54B 'wordpress':24B,29B 'wp':22B,27B","search_c":"'2.4.7':103C 'affect':96C 'allow':92C 'board':89C,98C 'cross':81C 'cross-sit':80C 'generat':79C 'improp':72C 'input':75C 'issu':95C 'kita':86C 'mang':88C,97C 'mangboard':91C 'n/a':101C 'neutral':73C 'page':78C 'park':87C 'reflect':93C 'script':83C 'site':82C 'vulner':84C 'web':77C 'wp':90C,99C 'xss.this':94C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-09T11:17:23+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-2026-122666","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122666","severity":null,"published_at":"2026-11-09T11:17:23+00:00","modified_at":"2026-11-09T11:17:23+00:00","first_seen_at":"2026-11-09T11:26:03+00:00","fetched_at":"2026-11-09T11:26:03+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"}