{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5032", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-03-27T16:09:57.552Z", "datePublished": "2026-04-02T07:39:36.011Z", "dateUpdated": "2026-04-08T17:13:29.087Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T17:13:29.087Z"}, "affected": [{"vendor": "boldgrid", "product": "W3 Total Cache", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.9.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The W3 Total Cache plugin for WordPress is vulnerable to information exposure in all versions up to, and including, 2.9.3. This is due to the plugin bypassing its entire output buffering and processing pipeline when the request's User-Agent header contains \"W3 Total Cache\", which causes raw mfunc/mclude dynamic fragment HTML comments \u2014 including the W3TC_DYNAMIC_SECURITY security token \u2014 to be rendered in the page source. This makes it possible for unauthenticated attackers to discover the value of the W3TC_DYNAMIC_SECURITY constant by sending a crafted User-Agent header to any page that contains developer-placed dynamic fragment tags, granted the site has the fragment caching feature enabled. With the leaked W3TC_DYNAMIC_SECURITY token, an attacker can craft valid mfunc tags to execute arbitrary PHP code on the server, achieving remote code execution."}], "title": "W3 Total Cache <= 2.9.3 - Unauthenticated Security Token Exposure via User-Agent Header", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a65eb62d-847b-4f3a-848b-1290e3118c01?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.3/Generic_Plugin.php#L1016"}, {"url": "https://plugins.trac.wordpress.org/changeset/3495959/w3-total-cache"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor", "cweId": "CWE-200", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "wesley"}], "timeline": [{"time": "2026-03-27T16:26:37.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-04-01T19:07:11.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-02T13:09:03.149831Z", "id": "CVE-2026-5032", "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": "2026-04-02T13:09:19.667Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-5032", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-02T13:09:03.149831Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-02T13:09:14.763Z"}}], "cna": {"title": "W3 Total Cache <= 2.9.3 - Unauthenticated Security Token Exposure via User-Agent Header", "credits": [{"lang": "en", "type": "finder", "value": "wesley"}], "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:H/I:N/A:N"}}], "affected": [{"vendor": "boldgrid", "product": "W3 Total Cache", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "2.9.3"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-03-27T16:26:37.000Z", "value": "Vendor Notified"}, {"lang": "en", "time": "2026-04-01T19:07:11.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a65eb62d-847b-4f3a-848b-1290e3118c01?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.3/Generic_Plugin.php#L1016"}, {"url": "https://plugins.trac.wordpress.org/changeset/3495959/w3-total-cache"}], "descriptions": [{"lang": "en", "value": "The W3 Total Cache plugin for WordPress is vulnerable to information exposure in all versions up to, and including, 2.9.3. This is due to the plugin bypassing its entire output buffering and processing pipeline when the request's User-Agent header contains \"W3 Total Cache\", which causes raw mfunc/mclude dynamic fragment HTML comments \u2014 including the W3TC_DYNAMIC_SECURITY security token \u2014 to be rendered in the page source. This makes it possible for unauthenticated attackers to discover the value of the W3TC_DYNAMIC_SECURITY constant by sending a crafted User-Agent header to any page that contains developer-placed dynamic fragment tags, granted the site has the fragment caching feature enabled."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-02T07:39:36.011Z"}}}, "cveMetadata": {"cveId": "CVE-2026-5032", "state": "PUBLISHED", "dateUpdated": "2026-04-02T13:09:19.667Z", "dateReserved": "2026-03-27T16:09:57.552Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-04-02T07:39:36.011Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The W3 Total Cache plugin for WordPress is vulnerable to information exposure in all versions up to, and including, 2.9.3. This is due to the plugin bypassing its entire output buffering and processing pipeline when the request's User-Agent header contains \"W3 Total Cache\", which causes raw mfunc/mclude dynamic fragment HTML comments \u2014 including the W3TC_DYNAMIC_SECURITY security token \u2014 to be rendered in the page source. This makes it possible for unauthenticated attackers to discover the value of the W3TC_DYNAMIC_SECURITY constant by sending a crafted User-Agent header to any page that contains developer-placed dynamic fragment tags, granted the site has the fragment caching feature enabled. With the leaked W3TC_DYNAMIC_SECURITY token, an attacker can craft valid mfunc tags to execute arbitrary PHP code on the server, achieving remote code execution."}], "id": "CVE-2026-5032", "lastModified": "2026-04-08T19:25:34.067", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Secondary"}]}, "published": "2026-04-02T08:16:28.493", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.3/Generic_Plugin.php#L1016"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3495959/w3-total-cache"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a65eb62d-847b-4f3a-848b-1290e3118c01?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}