{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-13731", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2025-11-26T00:15:39.317Z", "datePublished": "2025-12-02T13:53:24.636Z", "dateUpdated": "2025-12-02T14:25:56.276Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2025-12-02T13:53:24.636Z"}, "affected": [{"vendor": "posimyththemes", "product": "Nexter Extension \u2013 Site Enhancements Toolkit", "versions": [{"version": "*", "status": "affected", "lessThanOrEqual": "4.4.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Nexter Extension \u2013 Site Enhancements Toolkit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'nxt-year' shortcode in all versions up to, and including, 4.4.1 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."}], "title": "Nexter Extension <= 4.4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/809cd97c-22ea-49e7-be46-688fefe50236?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/nexter-extension/trunk/include/class-nexter-load-ext.php#L66"}, {"url": "https://plugins.trac.wordpress.org/browser/nexter-extension/trunk/include/class-nexter-load-ext.php#L136"}, {"url": "https://plugins.trac.wordpress.org/changeset?old=3402155&old_path=nexter-extension%2Ftags%2F4.4.1%2Finclude%2Fclass-nexter-load-ext.php&new=3403967&new_path=nexter-extension%2Ftags%2F4.4.2%2Finclude%2Fclass-nexter-load-ext.php"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Muhammad Yudha - DJ"}], "timeline": [{"time": "2025-11-26T00:31:09.000+00:00", "lang": "en", "value": "Vendor Notified"}, {"time": "2025-12-01T00:00:00.000+00:00", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-12-02T14:25:44.381835Z", "id": "CVE-2025-13731", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-02T14:25:56.276Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Nexter Extension \u2013 Site Enhancements Toolkit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'nxt-year' shortcode in all versions up to, and including, 4.4.1 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."}], "id": "CVE-2025-13731", "lastModified": "2025-12-02T14:16:22.920", "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": "Primary"}]}, "published": "2025-12-02T14:16:22.920", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/nexter-extension/trunk/include/class-nexter-load-ext.php#L136"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/nexter-extension/trunk/include/class-nexter-load-ext.php#L66"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?old=3402155&old_path=nexter-extension%2Ftags%2F4.4.1%2Finclude%2Fclass-nexter-load-ext.php&new=3403967&new_path=nexter-extension%2Ftags%2F4.4.2%2Finclude%2Fclass-nexter-load-ext.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/809cd97c-22ea-49e7-be46-688fefe50236?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

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