{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3990","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-03-11T16:47:05.525Z","datePublished":"2026-03-12T05:32:07.803Z","dateUpdated":"2026-03-12T14:31:28.585Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-03-12T05:32:07.803Z"},"title":"CesiumGS CesiumJS standalone.html cross site scripting","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-79","lang":"en","description":"Cross Site Scripting"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-94","lang":"en","description":"Code Injection"}]}],"affected":[{"vendor":"CesiumGS","product":"CesiumJS","versions":[{"version":"1.137","status":"affected"}]}],"descriptions":[{"lang":"en","value":"A security flaw has been discovered in CesiumGS CesiumJS up to 1.137.0. Affected by this issue is some unknown functionality of the file Apps/Sandcastle/standalone.html. The manipulation of the argument c results in cross site scripting. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The presence of this vulnerability remains uncertain at this time. The vendor was contacted early about this disclosure but did not respond in any way. According to CVE-2023-48094, \"the vendor's position is that Apps/Sandcastle/standalone.html is part of the CesiumGS/cesium GitHub repository, but is demo code that is not part of the CesiumJS JavaScript library product.\""}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-03-11T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-03-11T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-03-11T17:54:03.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Ana10gy (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB","type":"coordinator"}],"references":[{"url":"https://vuldb.com/?id.350473","name":"VDB-350473 | CesiumGS CesiumJS standalone.html cross site scripting","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.350473","name":"VDB-350473 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.769630","name":"Submit #769630 | CesiumGS Cesium <=1.137.0 Cross-Site Scripting","tags":["third-party-advisory"]},{"url":"https://github.com/AnalogyC0de/public_exp/issues/18","tags":["exploit","issue-tracking"]}],"tags":["disputed"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-12T14:30:56.369096Z","id":"CVE-2026-3990","options":[{"Exploitation":"poc"},{"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":"2026-03-12T14:31:28.585Z"}}]}}