{"action":"Upgrade kiwitcms to 12.4 or later.","affected":[{"fixed":"12.4","introduced":"0"}],"component":"kiwitcms","cve_ids":["CVE-2023-33977"],"ecosystem":"PyPI","epss":0.0087,"exploited":false,"fixed_versions":["12.4"],"ghsa_id":"GHSA-2fqm-m4r2-fh98","id":"tcs_01M5KGSYNMSK98WJ0HQBNSS52V","modified_at":"2026-07-07T17:46:46.684758382Z","published_at":"2026-07-07T11:45:19.173351Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1495","https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-2fqm-m4r2-fh98","https://nvd.nist.gov/vuln/detail/CVE-2023-33977","https://github.com/kiwitcms/kiwi/commit/d789f4b51025de4f8c747c037d02e1b0da80b034","https://github.com/kiwitcms/Kiwi","https://github.com/kiwitcms/Kiwi/blob/master/etc/nginx.conf#L66-L68","https://github.com/kiwitcms/Kiwi/blob/master/etc/nginx.conf#L87","https://huntr.dev/bounties/6aea9a26-e29a-467b-aa5a-f767f0c2ec96","https://kiwitcms.org/blog/kiwi-tcms-team/2023/06/06/kiwi-tcms-124","https://pypi.org/project/kiwitcms","https://github.com/advisories/GHSA-2fqm-m4r2-fh98"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-1495","url":"https://osv.dev/vulnerability/PYSEC-2026-1495"}],"summary":"kiwitcms vulnerable to stored cross-site scripting via unrestricted file upload"}