CVE-2026-18843

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18843", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-08-04T14:49:21.064Z", "datePublished": "2026-09-05T06:37:55.073Z", "dateUpdated": "2026-09-07T11:17:26.061Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-09-05T06:37:55.073Z"}, "affected": [{"vendor": "The Beaver Builder Team", "product": "Beaver Builder Plugin (Starter Version)", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.11.0.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter in all versions up to, and including, 2.11.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}], "title": "Beaver Builder Plugin (Pro Version) <= 2.11.0.1 - Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/074c95bb-c68e-452d-bd2e-c44866aeedba?source=cve"}, {"url": "https://www.wpbeaverbuilder.com/"}], "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:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Austin Ginder"}], "timeline": [{"time": "2026-08-04T15:04:34.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-09-04T17:38:13.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18843", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-07T11:07:39.437705Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-07T11:17:26.061Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18843", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-07T11:07:39.437705Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-07T11:14:46.335Z"}}], "cna": {"title": "Beaver Builder Plugin (Pro Version) <= 2.11.0.1 - Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter", "credits": [{"lang": "en", "type": "finder", "value": "Austin Ginder"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.1, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}], "affected": [{"vendor": "The Beaver Builder Team", "product": "Beaver Builder Plugin (Starter Version)", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "2.11.0.1"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-08-04T15:04:34.000Z", "value": "Vendor Notified"}, {"lang": "en", "time": "2026-09-04T17:38:13.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/074c95bb-c68e-452d-bd2e-c44866aeedba?source=cve"}, {"url": "https://www.wpbeaverbuilder.com/"}], "descriptions": [{"lang": "en", "value": "The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter in all versions up to, and including, 2.11.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-09-05T06:37:55.073Z"}}}, "cveMetadata": {"cveId": "CVE-2026-18843", "state": "PUBLISHED", "dateUpdated": "2026-09-07T11:17:26.061Z", "dateReserved": "2026-08-04T14:49:21.064Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-09-05T06:37:55.073Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Beaver Builder Plugin (Starter Version)", "vendor": "The Beaver Builder Team", "versions": [{"lessThanOrEqual": "2.11.0.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter in all versions up to, and including, 2.11.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}], "id": "CVE-2026-18843", "lastModified": "2026-09-08T13:12:58.310", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18843", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-07T11:07:39.437705Z", "version": "2.0.3"}}]}, "published": "2026-09-05T07:17:11.207", "references": [{"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/074c95bb-c68e-452d-bd2e-c44866aeedba?source=cve"}, {"source": "security@wordfence.com", "url": "https://www.wpbeaverbuilder.com/"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.11.0.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Beaver Builder Plugin (Starter Version)", "source": "cna", "vendor": "The Beaver Builder Team"}, "product": "beaver_builder_plugin_(starter_version)", "vendor": "the_beaver_builder_team"}, {"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": "2026-09-05T08:00:06.498446+00:00", "updated": "2026-09-07T08:25:31.222398+00:00", "vendors": ["the_beaver_builder_team", "the_beaver_builder_team$PRODUCT$beaver_builder_plugin_(starter_version)", "wordpress", "wordpress$PRODUCT$wordpress"]}