{"id":"CVE-2024-56156","state":"PUBLISHED","title":"Halo Vulnerable to Stored XSS and RCE via File Upload Bypass","description":"Halo is an open source website building tool. Prior to version 2.20.13, a vulnerability in Halo allows attackers to bypass file type validation controls. This bypass enables the upload of malicious files including executables and HTML files, which can lead to stored cross-site scripting attacks and potential remote code execution under certain circumstances. This issue has been patched in version 2.20.13.","publishedAt":"2025-04-25T15:08:00.942Z","updatedAt":"2026-02-03T18:07:18.738Z","severity":{"score":5.5,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:P","source":"GitHub_M"},"assigner":"GitHub_M","products":["halo-dev halo"],"affected":[{"vendor":"halo-dev","product":"halo","versions":[{"version":"< 2.20.13","status":"affected"}]}],"references":["https://github.com/halo-dev/halo/security/advisories/GHSA-99mc-ch53-pqh9","https://github.com/halo-dev/halo/pull/7149","https://github.com/halo-dev/halo/commit/24f8d7b57127e2607ec05adb7c912b3decddeb99"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/56xxx/CVE-2024-56156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56156","state":"PUBLISHED","datePublished":"2025-04-25T15:08:00.942Z","dateUpdated":"2026-02-03T18:07:18.738Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-12-17T18:16:49.853Z"},"containers":{"cna":{"title":"Halo Vulnerable to Stored XSS and RCE via File Upload Bypass","descriptions":[{"lang":"en","value":"Halo is an open source website building tool. Prior to version 2.20.13, a vulnerability in Halo allows attackers to bypass file type validation controls. This bypass enables the upload of malicious files including executables and HTML files, which can lead to stored cross-site scripting attacks and potential remote code execution under certain circumstances. This issue has been patched in version 2.20.13."}],"affected":[{"vendor":"halo-dev","product":"halo","versions":[{"version":"< 2.20.13","status":"affected"}]}],"references":[{"url":"https://github.com/halo-dev/halo/security/advisories/GHSA-99mc-ch53-pqh9","name":"https://github.com/halo-dev/halo/security/advisories/GHSA-99mc-ch53-pqh9","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/halo-dev/halo/pull/7149","name":"https://github.com/halo-dev/halo/pull/7149","tags":["x_refsource_MISC"]},{"url":"https://github.com/halo-dev/halo/commit/24f8d7b57127e2607ec05adb7c912b3decddeb99","name":"https://github.com/halo-dev/halo/commit/24f8d7b57127e2607ec05adb7c912b3decddeb99","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"LOW","baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:P","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-03T18:07:18.738Z"},"source":{"advisory":"GHSA-99mc-ch53-pqh9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-25T20:14:32.011765Z","id":"CVE-2024-56156","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-25T20:15:07.849Z"}}]}}}