{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-39516", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-04-07T10:48:03.414Z", "datePublished": "2026-04-08T08:30:14.904Z", "dateUpdated": "2026-04-14T14:44:55.335Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "the-plus-addons-for-block-editor", "product": "Nexter Blocks", "vendor": "POSIMYTH", "versions": [{"changes": [{"at": "4.7.1", "status": "unaffected"}], "lessThanOrEqual": "4.7.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Bao - BlueRock | Patchstack Bug Bounty Program"}], "datePublic": "2026-04-08T10:29:01.852Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.<p>This issue affects Nexter Blocks: from n/a through <= 4.7.0.</p>"}], "value": "Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through <= 4.7.0."}], "impacts": [{"capecId": "CAPEC-37", "descriptions": [{"lang": "en", "value": "Retrieve Embedded Sensitive Data"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-497", "description": "Exposure of Sensitive System Information to an Unauthorized Control Sphere", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-04-08T08:30:14.904Z"}, "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/Wordpress/Plugin/the-plus-addons-for-block-editor/vulnerability/wordpress-nexter-blocks-plugin-4-7-0-sensitive-data-exposure-vulnerability?_s_id=cve"}], "title": "WordPress Nexter Blocks plugin <= 4.7.0 - Sensitive Data Exposure vulnerability"}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-14T14:43:58.354189Z", "id": "CVE-2026-39516", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-04-14T14:44:55.335Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through <= 4.7.0."}], "id": "CVE-2026-39516", "lastModified": "2026-04-14T15:16:34.597", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-04-08T09:16:25.353", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/Wordpress/Plugin/the-plus-addons-for-block-editor/vulnerability/wordpress-nexter-blocks-plugin-4-7-0-sensitive-data-exposure-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-497"}], "source": "audit@patchstack.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.7.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Nexter Blocks", "source": "cna", "vendor": "POSIMYTH"}, "product": "nexter_blocks", "vendor": "posimyth"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "analysis": {"en": {"generated_at": "2026-04-14T16:43:04.506940+00:00", "value": {"mitigation_remediation": ["Update the Nexter Blocks plugin to the latest available version (\u22654.7.1 if released).", "Restrict access to the plugin\u2019s administrative settings to trusted personnel only.", "Monitor the plugin for new vulnerabilities and apply security patches promptly."], "summary": {"action": "Patch", "impact": "Sensitive Data Exposure"}, "threat_synthesis": {"affected_systems": "Affected systems are installations of the POSIMYTH Nexter Blocks plugin, commonly known as the +Addons for Block Editor, on WordPress sites. Versions from the earliest release through 4.7.0 are vulnerable, with no specific sub\u2011version constraints beyond the stated upper limit.", "description_and_impact": "The vulnerability in the POSIMYTH Nexter Blocks plugin enables an attacker to retrieve embedded sensitive system information, exposing data to an unauthorized control sphere. This flaw hampers the confidentiality of the WordPress environment and can potentially allow an attacker to access configuration data, user credentials, or other privileged information. The weakness aligns with CWE-497, indicating a failure to properly restrict access to sensitive resources.", "risk_and_exploitability": "The CVSS score of 5.3 categorizes this issue as moderate in severity, while an EPSS score below 1\u202f% suggests a low likelihood of quick exploitation. The plugin's web\u2011based nature indicates that the attack vector is likely remote, possibly via crafted HTTP requests to the plugin\u2019s API or admin interface, although this is inferred from the description and not explicitly stated. The vulnerability is not listed in the CISA KEV catalog, underscoring that it is not a widely exploited flaw at present."}}}}, "created": "2026-04-08T19:30:31.024317+00:00", "updated": "2026-04-14T16:43:27.264342+00:00", "vendors": ["posimyth", "posimyth$PRODUCT$nexter_blocks", "wordpress", "wordpress$PRODUCT$wordpress"]}