{"id":"CVE-2023-41889","summary":"Late-Unicode normalization vulnerability in SHIRASAGI","details":"SHIRASAGI is a Content Management System. Prior to version 1.18.0, SHIRASAGI is vulnerable to a Post-Unicode normalization issue. This happens when a logical validation or a security check is performed before a Unicode normalization. The Unicode character equivalent of a character would resurface after the normalization. The fix is initially performing the Unicode normalization and then strip for all whitespaces and then checking for a blank string. This issue has been fixed in version 1.18.0.\n","aliases":["GHSA-xr45-c2jv-2v9r"],"modified":"2026-04-10T05:01:21.292021Z","published":"2023-09-15T20:09:27.714Z","database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41889.json","cwe_ids":["CWE-176"]},"references":[{"type":"WEB","url":"https://github.com/shirasagi/shirasagi/blob/f249ce3f06f6bfbc0017b38f5c13de424334c3ea/app/models/concerns/rdf/object.rb#L68-L72"},{"type":"WEB","url":"https://sim4n6.beehiiv.com/p/unicode-characters-bypass-security-checks"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41889.json"},{"type":"ADVISORY","url":"https://github.com/shirasagi/shirasagi/security/advisories/GHSA-xr45-c2jv-2v9r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41889"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/shirasagi/shirasagi","events":[{"introduced":"0"},{"fixed":"3d8d9fe28c22aa21fd32dd96aeefbc4957567605"}]}],"versions":["v0.1.0","v0.2.0","v0.3.0","v0.4.0","v0.6.0","v0.7.0","v0.8.0","v0.9.0","v1.0.0","v1.0.1","v1.0.2","v1.1.0","v1.10.0","v1.10.0-RC","v1.11.0","v1.11.0-RC2","v1.11.1","v1.12.0","v1.12.0-RC","v1.12.1","v1.12.1-RC","v1.12.2","v1.12.2-RC","v1.12.3","v1.12.3-RC","v1.13.0","v1.13.0-RC","v1.13.1","v1.13.2","v1.14.0","v1.14.0-RC","v1.14.1","v1.14.2","v1.15.0","v1.15.0-RC","v1.16.0","v1.16.0-RC","v1.17.0","v1.17.0-RC","v1.18.0-RC","v1.2.0","v1.2.1","v1.3.0","v1.4.0","v1.4.1","v1.5.0","v1.5.0-RC","v1.6.0","v1.6.0-RC","v1.7.0","v1.7.0-RC","v1.8.0","v1.8.0-RC","v1.9.0","v1.9.0-RC","v1.9.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-41889.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:N"}]}