CVE-2026-9842

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9842", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-05-28T13:26:31.589Z", "datePublished": "2026-07-08T04:30:49.525Z", "dateUpdated": "2026-07-08T13:01:09.142Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-08T04:30:49.525Z"}, "affected": [{"vendor": "pixelgrade", "product": "Backstage \u2013 Customizer Demo Access", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.4.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Backstage - Customizer Demo Access plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.4.2. This is due to the plugin assigning the `manage_options` capability to the `backstage_customizer_user` demo role, which is more permissive than necessary for Customizer-only demo access. This makes it possible for unauthenticated attackers to navigate beyond the Customizer and update arbitrary WordPress options such as `default_role`, leading to privilege escalation."}], "title": "Backstage <= 1.4.2 - Unauthenticated Privilege Escalation via Permissive Demo Role Capabilities", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5bcf1f02-0946-4e96-a81b-00c7c48d64b3?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/backstage/tags/1.4.2/includes/class-Backstage.php#L154"}, {"url": "https://plugins.trac.wordpress.org/browser/backstage/tags/1.4.2/includes/class-Backstage.php#L348"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-269 Improper Privilege Management", "cweId": "CWE-269", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Nabil Irawan"}], "timeline": [{"time": "2026-03-23T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2026-07-07T16:30:36.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-08T13:00:54.003774Z", "id": "CVE-2026-9842", "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": "2026-07-08T13:01:09.142Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-9842", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-08T13:00:54.003774Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-08T13:01:03.039Z"}}], "cna": {"title": "Backstage <= 1.4.2 - Unauthenticated Privilege Escalation via Permissive Demo Role Capabilities", "credits": [{"lang": "en", "type": "finder", "value": "Nabil Irawan"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}}], "affected": [{"vendor": "pixelgrade", "product": "Backstage \u2013 Customizer Demo Access", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.4.2"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-03-23T00:00:00.000Z", "value": "Discovered"}, {"lang": "en", "time": "2026-07-07T16:30:36.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5bcf1f02-0946-4e96-a81b-00c7c48d64b3?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/backstage/tags/1.4.2/includes/class-Backstage.php#L154"}, {"url": "https://plugins.trac.wordpress.org/browser/backstage/tags/1.4.2/includes/class-Backstage.php#L348"}], "descriptions": [{"lang": "en", "value": "The Backstage - Customizer Demo Access plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.4.2. This is due to the plugin assigning the `manage_options` capability to the `backstage_customizer_user` demo role, which is more permissive than necessary for Customizer-only demo access. This makes it possible for unauthenticated attackers to navigate beyond the Customizer and update arbitrary WordPress options such as `default_role`, leading to privilege escalation."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-08T04:30:49.525Z"}}}, "cveMetadata": {"cveId": "CVE-2026-9842", "state": "PUBLISHED", "dateUpdated": "2026-07-08T13:01:09.142Z", "dateReserved": "2026-05-28T13:26:31.589Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-07-08T04:30:49.525Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Backstage \u2013 Customizer Demo Access", "vendor": "pixelgrade", "versions": [{"lessThanOrEqual": "1.4.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Backstage - Customizer Demo Access plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.4.2. This is due to the plugin assigning the `manage_options` capability to the `backstage_customizer_user` demo role, which is more permissive than necessary for Customizer-only demo access. This makes it possible for unauthenticated attackers to navigate beyond the Customizer and update arbitrary WordPress options such as `default_role`, leading to privilege escalation."}], "id": "CVE-2026-9842", "lastModified": "2026-07-08T14:55:07.843", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9842", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-08T13:00:54.003774Z", "version": "2.0.3"}}]}, "published": "2026-07-08T05:16:29.097", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/backstage/tags/1.4.2/includes/class-Backstage.php#L154"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/backstage/tags/1.4.2/includes/class-Backstage.php#L348"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5bcf1f02-0946-4e96-a81b-00c7c48d64b3?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.4.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Backstage \u2013 Customizer Demo Access", "source": "cna", "vendor": "pixelgrade"}, "product": "backstage_\u2013_customizer_demo_access", "vendor": "pixelgrade"}, {"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"}], "created": "2026-07-08T15:30:04.622873+00:00", "updated": "2026-08-01T17:00:03.867223+00:00", "vendors": ["pixelgrade", "pixelgrade$PRODUCT$backstage_\u2013_customizer_demo_access", "wordpress", "wordpress$PRODUCT$wordpress"]}