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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Popup Maker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018popupID' parameter in all versions up to, and including, 1.20.4 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 Popup Maker para WordPress es vulnerable a Cross-Site Scripting almacenado a trav\u00e9s del par\u00e1metro \u00abpopupID\u00bb en todas las versiones hasta la 1.20.4 incluida, 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 p\u00e1ginas que se ejecutar\u00e1n al acceder un usuario a una p\u00e1gina inyectada."}], "id": "CVE-2025-4205", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}]}, "published": "2025-06-03T12:15:21.350", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/popup-maker/tags/1.20.4/assets/js/site.js#L869"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3303770/"}, {"source": "security@wordfence.com", "url": "https://wordpress.org/plugins/popup-maker/#developers"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/58fe6f67-1139-4d3e-864d-3966cede5077?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": "2026-04-21T20:28:09.620508+00:00", "value": {"mitigation_remediation": ["Upgrade the Popup Maker plugin to the latest release (\u22651.20.5).", "If an upgrade cannot be performed immediately, remove or downgrade the Contributor role for users who do not need publishing capabilities, or disable the plugin entirely.", "As a temporary workaround, apply custom sanitization to the popupID input when saving and ensure all output is properly escaped."], "summary": {"action": "Immediate Patch", "impact": "Stored Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Popup Maker WordPress plugin by danieliser, version 1.20.4 and all earlier releases. It has been identified up to and including 1.20.4.", "description_and_impact": "The Popup Maker plugin for WordPress contains a stored cross\u2011site scripting flaw that can be triggered through the popupID parameter. Authenticated users with Contributor privileges or higher can inject arbitrary JavaScript into the plugin\u2019s stored content, which will execute whenever any visitor loads the affected page. This enables attackers to steal session cookies, deface content, or execute further malicious actions within the victim\u2019s browser.", "risk_and_exploitability": "The CVSS score of 6.4 indicates a medium severity flaw. The EPSS score of fewer than 1% suggests that exploitation is unlikely in the wild, and the vulnerability is not listed in the CISA KEV catalog. Attackers must hold Contributor-level access or higher to inject code, and the exploitation path requires interaction with the plugin\u2019s admin interface. While the attack vector is authenticated, the threat potential remains significant due to the ability to execute code in the browsers of all users who view the stored content."}}}}, "created": "2026-04-21T20:30:27.403014+00:00", "updated": "2026-04-21T20:30:27.403025+00:00", "vendors": []}