{"id":"CVE-2026-114194","kind":"vulnerability","aliases":["CVE-2026-114194"],"related":[],"title":"Ad Inserter WordPress plugin: reflected XSS through 2.8.18","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Funa Ad Inserter ad-inserter allows Reflected XSS.This issue affects Ad Inserter: from n/a through 2.8.18.","summary":"Ad Inserter, a WordPress plugin by Igor Funa, does not neutralize input in a web page it generates, enabling reflected cross-site scripting. An attacker can run script in a visitor's browser by getting them to open a crafted link.","severity":"medium","cvss":6.5,"epss":0.00224,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ad-inserter","package","wordpress","wordpress-plugin"],"not_affected_if":["plugin-not-installed"],"how_to_check":null,"fix":"Update Ad Inserter to a version later than `2.8.18`, the last version the sources list as affected.","status":"open","published_at":"2026-10-24T10:17:08+00:00","first_seen_at":"2026-10-24T10:47:22+00:00","triaged_at":"2026-10-25T03:47:05+00:00","updated_at":"2026-10-25T12:38:49+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T03:47:05Z","model":"claude-haiku-5-5","output":{"fix":"Update Ad Inserter to a version later than `2.8.18`, the last version the sources list as affected.","reach":"internet","title":"Ad Inserter WordPress plugin: reflected XSS through 2.8.18","impact":"medium","summary":"Ad Inserter, a WordPress plugin by Igor Funa, does not neutralize input in a web page it generates, enabling reflected cross-site scripting. An attacker can run script in a visitor's browser by getting them to open a crafted link.","category":"package","nicknames":[],"who_cares":["wordpress","wordpress-plugin","ad-inserter"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker script runs in visitors' browsers on the affected site","analyst_note":"Check the NVD entry and the plugin changelog for the vulnerable parameter and the fixed version number; the sources give only 'through 2.8.18'.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running Ad Inserter version `2.8.18` or earlier. The sources do not say which page or parameter is involved or whether logged-in users are targeted, so the exposure of a given site is unknown. Sites without the plugin are not affected.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000574,"input_tokens":3318,"output_tokens":484,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-114194':11A,14A '-2026':10A,13A '2.8.18':8A,96C 'ad':1A,16B,23B,81C,84C,91C 'ad-insert':15B,83C 'affect':90C 'allow':86C 'attack':48B 'browser':56B 'craft':63B 'cross':44B,74C 'cross-sit':43B,73C 'cve':9A,12A 'enabl':41B 'funa':30B,80C 'generat':40B,72C 'get':58B 'igor':29B,79C 'improp':65C 'input':34B,68C 'insert':2A,17B,24B,82C,85C,92C 'issu':89C 'link':64B 'n/a':94C 'neutral':33B,66C 'open':61B 'packag':18B 'page':38B,71C 'plugin':4A,22B,27B 'reflect':5A,42B,87C 'run':50B 'script':46B,51B,76C 'site':45B,75C 'visitor':54B 'vulner':77C 'web':37B,70C 'wordpress':3A,19B,21B,26B 'wordpress-plugin':20B 'xss':6A 'xss.this':88C","nicknames":[],"mitigations":[],"who_affected":"Sites running Ad Inserter version `2.8.18` or earlier. The sources do not say which page or parameter is involved or whether logged-in users are targeted, so the exposure of a given site is unknown. Sites without the plugin are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-24T10:17:08+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-114194","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114194","severity":null,"published_at":"2026-10-24T10:17:08+00:00","modified_at":"2026-10-24T10:17:08+00:00","first_seen_at":"2026-10-24T10:47:22+00:00","fetched_at":"2026-10-24T10:47:22+00:00","note":null},{"source":"epss","external_id":"CVE-2026-114194","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114194","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-25T12:38:49+00:00","fetched_at":"2026-10-25T12:38:49+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"}