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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'additional' parameter in version less than, or equal to, 2025.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El complemento Advanced iFrame para WordPress es vulnerable a Cross-Site Scripting almacenado a trav\u00e9s del par\u00e1metro \"additional\" en versiones anteriores o iguales a la 2025.6, debido a una depuraci\u00f3n de entrada y un escape de salida insuficientes. Esto permite a atacantes autenticados, con acceso de colaborador o superior, inyectar scripts web arbitrarios en las p\u00e1ginas que se ejecutar\u00e1n al acceder un usuario a una p\u00e1gina inyectada."}], "id": "CVE-2025-8089", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "security@wordfence.com", "type": "Secondary"}]}, "published": "2025-08-16T07:15:27.700", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/advanced-iframe/trunk/advanced-iframe.php#L1831"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3344404%40advanced-iframe&new=3344404%40advanced-iframe&sfp_email=&sfph_mail="}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/97985b75-6ac9-4aba-8f76-5633418e7907?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-21T03:29:27.161991+00:00", "value": {"mitigation_remediation": ["Upgrade the Advanced iFrame plugin to a version newer than 2025.6", "Limit contributor\u2011level permissions to trusted users or downgrade contributors to authors if possible", "If an upgrade is not immediately possible, disable or sanitize the 'additional' parameter at the application level and enforce a Content\u2011Security\u2011Policy to mitigate XSS impact"], "summary": {"action": "Patch Plugin", "impact": "Stored Cross\u2011Site Scripting (Contributor+ authenticated users)"}, "threat_synthesis": {"affected_systems": "The affected product is the Advanced iFrame plugin by mdempfle, versions 2025.6 and below. Users with contributor level or higher access in a WordPress installation can trigger the vulnerability by inputting content through the admin interface.", "description_and_impact": "The Advanced iFrame WordPress plugin is vulnerable to stored cross\u2011site scripting through the 'additional' parameter in versions 2025.6 or earlier due to insufficient input sanitization and output escaping. A compromised value is persisted in the database, meaning any user who views the affected page will execute the injected script. This can be used to hijack sessions, deface content, or redirect users to malicious sites.", "risk_and_exploitability": "The CVSS score of 5.4 indicates a moderate severity, while the EPSS score of < 1% suggests exploitation is currently considered unlikely. The vulnerability requires authenticated access, so an attacker must first obtain contributor credentials; this limits the attack surface relative to a purely remote exploitation. The vulnerability is not listed in CISA\u2019s KEV catalog, further indicating low immediate exploitation activity. Nonetheless, any authenticated user with contributor privileges could inject arbitrary scripts, posing a noticeable risk to site visitors."}}}}, "created": "2025-08-18T20:59:30.890399+00:00", "updated": "2026-04-21T03:30:26.339878+00:00", "vendors": ["mdempfle", "mdempfle$PRODUCT$advanced_iframe", "wordpress", "wordpress$PRODUCT$wordpress"]}