{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6740", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-04-21T10:38:52.931Z", "datePublished": "2026-07-08T12:33:17.582Z", "dateUpdated": "2026-07-08T12:33:17.582Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-08T12:33:17.582Z"}, "affected": [{"vendor": "posimyththemes", "product": "Nexter Blocks \u2013 Gutenberg Blocks, Page Builder & AI Website Builder", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "4.7.4", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Nexter Blocks \u2013 Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'commentIcon' parameter in all versions up to, and including, 4.7.4 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."}], "title": "Nexter Blocks <= 4.7.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'commentIcon' Block Attribute", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f5184598-b0bd-4026-971c-da36d79497df?source=cve"}, {"url": "https://plugins.trac.wordpress.org/changeset/3512686/the-plus-addons-for-block-editor/trunk/classes/blocks/tp-post-meta/index.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": "2026-03-14T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2026-04-21T10:54:45.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-07-07T23:56:47.000Z", "lang": "en", "value": "Disclosed"}]}}}

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