CVE-2026-121771

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121771", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-11-04T00:24:30.154Z", "datePublished": "2026-11-13T12:50:57.155Z", "dateUpdated": "2026-11-13T12:51:57.678Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-11-13T12:51:57.678Z"}, "title": "WordPress Gutenberg Blocks plugin <= 3.7.6 - Sensitive Data Exposure vulnerability", "datePublic": "2026-11-13T12:50:00.000Z", "descriptions": [{"lang": "en", "value": "Insertion of Sensitive Information Into Sent Data vulnerability in PublishPress Gutenberg Blocks advanced-gutenberg allows Retrieve Embedded Sensitive Data.This issue affects Gutenberg Blocks: from n/a through 3.7.6.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Insertion of Sensitive Information Into Sent Data vulnerability in PublishPress Gutenberg Blocks advanced-gutenberg allows Retrieve Embedded Sensitive Data.<p>This issue affects Gutenberg Blocks: from n/a through 3.7.6.</p>"}]}], "affected": [{"vendor": "PublishPress", "product": "Gutenberg Blocks", "packageName": "advanced-gutenberg", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "versions": [{"version": "0", "versionType": "custom", "status": "affected", "lessThanOrEqual": "3.7.6", "changes": [{"at": "3.7.7", "status": "unaffected"}]}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/advanced-gutenberg/vulnerability/wordpress-gutenberg-blocks-plugin-3-7-6-sensitive-data-exposure-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "credits": [{"lang": "en", "value": "Malvin Valerian Gultom | Patchstack Bug Bounty Program", "type": "finder"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-201", "description": "Insertion of Sensitive Information Into Sent Data", "lang": "en", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-37", "descriptions": [{"lang": "en", "value": "Retrieve Embedded Sensitive Data"}]}], "solutions": [{"lang": "en", "value": "Update the WordPress Gutenberg Blocks plugin to the latest available version (at least 3.7.7).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update the WordPress Gutenberg Blocks plugin to the latest available version (at least 3.7.7)."}]}], "tags": ["x_open-source"]}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "advanced-gutenberg", "product": "Gutenberg Blocks", "vendor": "PublishPress", "versions": [{"changes": [{"at": "3.7.7", "status": "unaffected"}], "lessThanOrEqual": "3.7.6", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Insertion of Sensitive Information Into Sent Data vulnerability in PublishPress Gutenberg Blocks advanced-gutenberg allows Retrieve Embedded Sensitive Data.This issue affects Gutenberg Blocks: from n/a through 3.7.6."}], "id": "CVE-2026-121771", "lastModified": "2026-11-13T13:17:55.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "audit@patchstack.com", "type": "Secondary"}]}, "published": "2026-11-13T13:17:55.537", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/advanced-gutenberg/vulnerability/wordpress-gutenberg-blocks-plugin-3-7-6-sensitive-data-exposure-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-201"}], "source": "audit@patchstack.com", "type": "Primary"}]}

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