CVE-2026-16974

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16974", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-07-24T08:27:47.929Z", "datePublished": "2026-08-11T04:25:50.325Z", "dateUpdated": "2026-08-11T17:07:21.766Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-08-11T04:25:50.325Z"}, "affected": [{"vendor": "themeum", "product": "Kirki \u2013 Freeform Page Builder, Website Builder & Customizer", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "6.2.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Kirki \u2013 Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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": "Kirki - Freeform Page Builder, Website Builder & Customizer <= 6.2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via post_meta Shortcode", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/8d9fe6b4-8696-45eb-bdb8-764dea7cce88?source=cve"}, {"url": "https://plugins.trac.wordpress.org/changeset/3636487"}], "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": "Navapon Premkasem (71C4) (71C4)"}], "timeline": [{"time": "2026-06-02T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2026-07-24T08:43:12.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-08-10T15:36:36.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-11T17:07:09.042134Z", "id": "CVE-2026-16974", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-08-11T17:07:21.766Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-16974", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-11T17:07:09.042134Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-11T17:07:16.480Z"}}], "cna": {"title": "Kirki - Freeform Page Builder, Website Builder & Customizer <= 6.2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via post_meta Shortcode", "credits": [{"lang": "en", "type": "finder", "value": "Navapon Premkasem (71C4) (71C4)"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.4, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"}}], "affected": [{"vendor": "themeum", "product": "Kirki \u2013 Freeform Page Builder, Website Builder & Customizer", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "6.2.0"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-06-02T00:00:00.000Z", "value": "Discovered"}, {"lang": "en", "time": "2026-07-24T08:43:12.000Z", "value": "Vendor Notified"}, {"lang": "en", "time": "2026-08-10T15:36:36.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/8d9fe6b4-8696-45eb-bdb8-764dea7cce88?source=cve"}, {"url": "https://plugins.trac.wordpress.org/changeset/3636487"}], "descriptions": [{"lang": "en", "value": "The Kirki \u2013 Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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."}], "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": "2026-08-11T04:25:50.325Z"}}}, "cveMetadata": {"cveId": "CVE-2026-16974", "state": "PUBLISHED", "dateUpdated": "2026-08-11T17:07:21.766Z", "dateReserved": "2026-07-24T08:27:47.929Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-08-11T04:25:50.325Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Kirki \u2013 Freeform Page Builder, Website Builder & Customizer", "vendor": "themeum", "versions": [{"lessThanOrEqual": "6.2.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Kirki \u2013 Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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."}], "id": "CVE-2026-16974", "lastModified": "2026-08-12T21:00:52.257", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16974", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-11T17:07:09.042134Z", "version": "2.0.3"}}]}, "published": "2026-08-11T05:17:12.560", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3636487"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/8d9fe6b4-8696-45eb-bdb8-764dea7cce88?source=cve"}], "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": "semver", "value": "[0,6.2.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Kirki \u2013 Freeform Page Builder, Website Builder & Customizer", "source": "cna", "vendor": "themeum"}, "product": "kirki_\u2013_freeform_page_builder,_website_builder_&_customizer", "vendor": "themeum"}, {"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": "2026-08-11T05:30:17.296688+00:00", "updated": "2026-08-11T06:00:12.607164+00:00", "vendors": ["themeum", "themeum$PRODUCT$kirki_\u2013_freeform_page_builder,_website_builder_&_customizer", "wordpress", "wordpress$PRODUCT$wordpress"]}