{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110290", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-10-13T19:46:30.885Z", "datePublished": "2026-10-16T06:41:03.815Z", "dateUpdated": "2026-10-16T06:41:03.815Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-10-16T06:41:03.815Z"}, "affected": [{"vendor": "ajay", "product": "WebberZone Top 10 \u2014 Popular Posts", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "4.5.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The WebberZone Top 10 \u2014 Popular Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'other_attributes (parsed to inject instance_id) + undeclared is_widget' parameter in all versions up to, and including, 4.5.2 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. The exploit requires setting the undeclared is_widget flag to '1' via block JSON, which activates the vulnerable code path that concatenates the attacker-controlled instance_id value into an unescaped HTML class attribute."}], "title": "WebberZone Top 10 <= 4.5.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'other_attributes' Block Attribute", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4db4a201-a7fa-4764-87cb-c54b64adf560?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/class-display.php#L170"}, {"url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/class-display.php#L153"}, {"url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/util/class-helpers.php#L693"}, {"url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/blocks/class-blocks.php#L142"}, {"url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/blocks/class-blocks.php#L128"}, {"url": "https://plugins.trac.wordpress.org/changeset/3747022"}, {"url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.3/includes/frontend/class-display.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": "Wordfence PRISM"}], "timeline": [{"time": "2026-10-13T20:02:38.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-10-15T17:52:40.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "WebberZone Top 10 \u2014 Popular Posts", "vendor": "ajay", "versions": [{"lessThanOrEqual": "4.5.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WebberZone Top 10 \u2014 Popular Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'other_attributes (parsed to inject instance_id) + undeclared is_widget' parameter in all versions up to, and including, 4.5.2 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. The exploit requires setting the undeclared is_widget flag to '1' via block JSON, which activates the vulnerable code path that concatenates the attacker-controlled instance_id value into an unescaped HTML class attribute."}], "id": "CVE-2026-110290", "lastModified": "2026-10-16T07:17:11.183", "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": "2026-10-16T07:17:11.183", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/blocks/class-blocks.php#L128"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/blocks/class-blocks.php#L142"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/class-display.php#L153"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/frontend/class-display.php#L170"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.2/includes/util/class-helpers.php#L693"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/top-10/tags/4.5.3/includes/frontend/class-display.php"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3747022"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4db4a201-a7fa-4764-87cb-c54b64adf560?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}