{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104252", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-01T19:04:39.706Z", "datePublished": "2026-10-13T19:22:58.208Z", "dateUpdated": "2026-10-13T19:22:58.208Z"}, "containers": {"cna": {"title": "Vitess vttablet /twopcz reflected XSS", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/vitessio/vitess/security/advisories/GHSA-v75v-6fpf-gvw8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vitessio/vitess/security/advisories/GHSA-v75v-6fpf-gvw8"}, {"name": "https://github.com/vitessio/vitess/pull/20255", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/pull/20255"}, {"name": "https://github.com/vitessio/vitess/pull/20273", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/pull/20273"}, {"name": "https://github.com/vitessio/vitess/pull/20274", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/pull/20274"}, {"name": "https://github.com/vitessio/vitess/commit/3140c1846cd120db34f33b2083139b4ab638aed2", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/commit/3140c1846cd120db34f33b2083139b4ab638aed2"}, {"name": "https://github.com/vitessio/vitess/commit/976e1e0d78f9d29d02e5e31b4aa7e180648f08af", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/commit/976e1e0d78f9d29d02e5e31b4aa7e180648f08af"}, {"name": "https://github.com/vitessio/vitess/commit/c1ed96302e658190168c971afdac730cf70e43f7", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/commit/c1ed96302e658190168c971afdac730cf70e43f7"}, {"name": "https://github.com/vitessio/vitess/releases/tag/v23.0.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/releases/tag/v23.0.5"}, {"name": "https://github.com/vitessio/vitess/releases/tag/v24.0.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitessio/vitess/releases/tag/v24.0.2"}], "affected": [{"vendor": "vitessio", "product": "vitess", "versions": [{"version": "< 23.0.5", "status": "affected"}, {"version": ">= 24.0.0, < 24.0.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-13T19:22:58.208Z"}, "descriptions": [{"lang": "en", "value": "Vitess is a database clustering system for horizontal scaling of MySQL. Prior to 23.0.5 and 24.0.2, twopczHandler in go/vt/vttablet/tabletserver/twopcz.go writes the Action and dtid form values from the vttablet and vtcombo /twopcz HTTP debug endpoint into a text/html response without HTML escaping. Under the default allow-all ACL policy, a remote unauthenticated attacker can send an operator a crafted request that executes script in the operator's browser after the request is opened. The script runs with the vttablet debug origin and can read same-origin diagnostic endpoints that expose query, transaction, environment, variable, or profiling data available in that deployment. This issue is fixed in versions 23.0.5 and 24.0.2."}], "source": {"advisory": "GHSA-v75v-6fpf-gvw8", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "vitess", "vendor": "vitessio", "versions": [{"status": "affected", "version": "< 23.0.5"}, {"status": "affected", "version": ">= 24.0.0, < 24.0.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vitess is a database clustering system for horizontal scaling of MySQL. Prior to 23.0.5 and 24.0.2, twopczHandler in go/vt/vttablet/tabletserver/twopcz.go writes the Action and dtid form values from the vttablet and vtcombo /twopcz HTTP debug endpoint into a text/html response without HTML escaping. Under the default allow-all ACL policy, a remote unauthenticated attacker can send an operator a crafted request that executes script in the operator's browser after the request is opened. The script runs with the vttablet debug origin and can read same-origin diagnostic endpoints that expose query, transaction, environment, variable, or profiling data available in that deployment. This issue is fixed in versions 23.0.5 and 24.0.2."}], "id": "CVE-2026-104252", "lastModified": "2026-10-13T20:17:12.453", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-13T20:17:12.453", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/commit/3140c1846cd120db34f33b2083139b4ab638aed2"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/commit/976e1e0d78f9d29d02e5e31b4aa7e180648f08af"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/commit/c1ed96302e658190168c971afdac730cf70e43f7"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/pull/20255"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/pull/20273"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/pull/20274"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/releases/tag/v23.0.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/releases/tag/v24.0.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitessio/vitess/security/advisories/GHSA-v75v-6fpf-gvw8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-13T22:00:25.929516+00:00", "updated": "2026-10-13T22:00:25.929526+00:00", "vendors": []}