{"id":"CVE-2023-28103","summary":"Prototype pollution in matrix-react-sdk","details":"matrix-react-sdk is a Matrix chat protocol SDK for React Javascript. In certain configurations, data sent by remote servers containing special strings in key locations could cause modifications of the `Object.prototype`, disrupting matrix-react-sdk functionality, causing denial of service and potentially affecting program logic. This is fixed in matrix-react-sdk 3.69.0 and users are advised to upgrade. There are no known workarounds for this vulnerability. Note this advisory is distinct from GHSA-2x9c-qwgf-94xr which refers to a similar issue.","aliases":["GHSA-6g43-88cp-w5gv"],"modified":"2026-05-28T03:54:38.527086544Z","published":"2023-03-28T20:37:24.288Z","database_specific":{"cwe_ids":["CWE-1321"],"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28103.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28103.json"},{"type":"ADVISORY","url":"https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-6g43-88cp-w5gv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28103"},{"type":"ARTICLE","url":"https://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/matrix-org/matrix-react-sdk","events":[{"introduced":"0"},{"fixed":"500a54366286d0b9ae9ea220df321c714dc6d378"}]}],"versions":["v3.68.0","v3.68.0-rc.3","v3.68.0-rc.2","v3.68.0-rc.1","v3.67.0","v3.67.0-rc.2","v3.67.0-rc.1","v3.0.0","v2.2.2","v2.1.1","v1.7.2","v1.6.1","v0.12.6","v0.12.4","v0.12.6-rc.1","v0.12.5","v0.12.4-rc.6","v0.12.4-rc.5","v0.12.4-rc.4","v0.12.4-rc.3","v0.12.4-rc.2","v0.12.4-rc.1","v0.10.2","v0.9.1","v0.9.0","v0.9.0-rc.2","v0.8.6-rc.2","v0.8.6-rc.1","v0.8.3","v0.8.2","v0.8.0","v0.7.5-rc.1","v0.7.4","v0.7.3","v0.7.2","v0.7.0-rc2","v0.7.0-rc1","v0.6.5","v0.6.4-r1","v0.6.4","v0.6.3","v0.6.2","v0.6.1","v0.6.0","v0.5.2","v0.5.1","v0.5.0","v0.4.0","v0.3.1","v0.3.0","v0.2.0","v0.1.1","v0.0.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-28103.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"}]}