{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115548", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-10-22T21:03:00.835Z", "datePublished": "2026-11-07T11:26:35.366Z", "dateUpdated": "2026-11-07T11:26:35.366Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-11-07T11:26:35.366Z"}, "affected": [{"vendor": "quttera", "product": "Quttera ThreatSign \u2013 Web Malware Scanner for WordPress", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "4.1.0.48", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Quttera ThreatSign \u2013 Web Malware Scanner for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'HTTP_USER_AGENT' parameter in all versions up to, and including, 4.1.0.48 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an administrator accesses an injected page."}], "title": "Quttera ThreatSign <= 4.1.0.48 - Unauthenticated Stored Cross-Site Scripting via User-Agent Header", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/eacc5af0-3248-4819-b90e-0f5e0e6d2786?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/quttera-web-malware-scanner/tags/4.1.0.45/qtrAjaxHandler.php#L1199"}, {"url": "https://plugins.trac.wordpress.org/browser/quttera-web-malware-scanner/tags/4.1.0.45/JS/iscan_frontend.php#L112"}, {"url": "https://plugins.trac.wordpress.org/browser/quttera-web-malware-scanner/tags/4.1.0.45/qtrDatabaseScanner.php#L345"}, {"url": "https://plugins.trac.wordpress.org/browser/quttera-web-malware-scanner/tags/4.1.0.45/qtrReport.php#L133"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3771915%40quttera-web-malware-scanner&new=3771915%40quttera-web-malware-scanner"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "baseScore": 7.2, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Adrien Brunner"}], "timeline": [{"time": "2026-08-13T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2026-10-23T05:11:18.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-11-06T23:19:12.000Z", "lang": "en", "value": "Disclosed"}]}}}

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