{"id":"CVE-2026-125793","kind":"vulnerability","aliases":["CVE-2026-125793"],"related":[],"title":"Flexmls IDX WordPress plugin: reflected XSS through input handling","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in flexmls Flexmls® IDX flexmls-idx allows Reflected XSS.This issue affects Flexmls® IDX: from n/a through 4.1.2.","summary":"The flexmls Flexmls IDX plugin (flexmls-idx) does not neutralize input in generated web pages, enabling reflected cross-site scripting. An attacker who gets a victim to open a crafted link can run script in the victim's browser session on the affected site.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["flexmls-idx","package","real-estate-sites","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed Flexmls IDX plugin version in the WordPress admin plugins list or the plugin header in `flexmls-idx/flexmls-idx.php`\n- Confirm whether the installed version is `4.1.2` or earlier, the range the sources name as affected","fix":"- Flexmls IDX: unknown; the sources name the affected range (through `4.1.2`) but do not state a fixed version","status":"open","published_at":"2026-11-15T15:16:47+00:00","first_seen_at":"2026-11-15T15:36:07+00:00","triaged_at":"2026-11-15T15:37:13+00:00","updated_at":"2026-11-15T15:37:13+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-15T15:37:13Z","model":"claude-haiku-5-5","output":{"fix":"- Flexmls IDX: unknown; the sources name the affected range (through `4.1.2`) but do not state a fixed version","reach":"internet","title":"Flexmls IDX WordPress plugin: reflected XSS through input handling","impact":"medium","summary":"The flexmls Flexmls IDX plugin (flexmls-idx) does not neutralize input in generated web pages, enabling reflected cross-site scripting. An attacker who gets a victim to open a crafted link can run script in the victim's browser session on the affected site.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","flexmls-idx","real-estate-sites"],"confidence":0.6,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Attacker script runs in visitors' browsers on the affected site","analyst_note":"Find the fixed version and whether auth or a setting is required, from the NVD entry or the vendor advisory for flexmls-idx.","how_to_check":"- Check the installed Flexmls IDX plugin version in the WordPress admin plugins list or the plugin header in `flexmls-idx/flexmls-idx.php`\n- Confirm whether the installed version is `4.1.2` or earlier, the range the sources name as affected","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the flexmls IDX plugin (flexmls-idx) version 4.1.2 or earlier are affected, as the sources describe a reflected XSS in the plugin's page output. Sites that do not run this plugin can skip it. The sources do not say whether the flaw needs a logged-in user or a non-default setting.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000779,"input_tokens":4551,"output_tokens":647,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-125793':12A,15A '-2026':11A,14A '4.1.2':101C 'affect':69B,95C 'allow':91C 'attack':48B 'browser':65B 'craft':56B 'cross':44B,80C 'cross-sit':43B,79C 'cve':10A,13A 'enabl':41B 'estat':22B 'flexml':1A,17B,26B,27B,31B,85C,86C,89C,96C 'flexmls-idx':16B,30B,88C 'generat':38B,78C 'get':50B 'handl':9A 'idx':2A,18B,28B,32B,87C,90C,97C 'improp':71C 'input':8A,36B,74C 'issu':94C 'link':57B 'n/a':99C 'neutral':35B,72C 'open':54B 'packag':19B 'page':40B,77C 'plugin':4A,29B 'real':21B 'real-estate-sit':20B 'reflect':5A,42B,92C 'run':59B 'script':46B,60B,82C 'session':66B 'site':23B,45B,70B,81C 'victim':52B,63B 'vulner':83C 'web':39B,76C 'wordpress':3A,24B 'xss':6A 'xss.this':93C","nicknames":[],"mitigations":[],"who_affected":"Sites running the flexmls IDX plugin (flexmls-idx) version 4.1.2 or earlier are affected, as the sources describe a reflected XSS in the plugin's page output. Sites that do not run this plugin can skip it. The sources do not say whether the flaw needs a logged-in user or a non-default setting.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["flexmlsidx","high","package","realestatesites","wordpress"],"campaign_type":null,"search_a":"'-125793':12A,15A '-2026':11A,14A 'cve':10A,13A 'flexml':1A 'handl':9A 'idx':2A 'input':8A 'plugin':4A 'reflect':5A 'wordpress':3A 'xss':6A","search_b":"'affect':69B 'attack':48B 'browser':65B 'craft':56B 'cross':44B 'cross-sit':43B 'enabl':41B 'estat':22B 'flexml':17B,26B,27B,31B 'flexmls-idx':16B,30B 'generat':38B 'get':50B 'idx':18B,28B,32B 'input':36B 'link':57B 'neutral':35B 'open':54B 'packag':19B 'page':40B 'plugin':29B 'real':21B 'real-estate-sit':20B 'reflect':42B 'run':59B 'script':46B,60B 'session':66B 'site':23B,45B,70B 'victim':52B,63B 'web':39B 'wordpress':24B","search_c":"'4.1.2':101C 'affect':95C 'allow':91C 'cross':80C 'cross-sit':79C 'flexml':85C,86C,89C,96C 'flexmls-idx':88C 'generat':78C 'idx':87C,90C,97C 'improp':71C 'input':74C 'issu':94C 'n/a':99C 'neutral':72C 'page':77C 'reflect':92C 'script':82C 'site':81C 'vulner':83C 'web':76C 'xss.this':93C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-15T15:16:47+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-2026-125793","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125793","severity":null,"published_at":"2026-11-15T15:16:47+00:00","modified_at":"2026-11-15T15:16:47+00:00","first_seen_at":"2026-11-15T15:36:07+00:00","fetched_at":"2026-11-15T15:36:07+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"}