{"action":"Upgrade kimai/kimai to 2.53.0 or later.","affected":[{"fixed":"2.53.0","introduced":"0"}],"component":"kimai/kimai","cve_ids":["CVE-2026-40479"],"ecosystem":"Packagist","epss":0.00248,"exploited":false,"fixed_versions":["2.53.0"],"ghsa_id":"GHSA-g82g-m9vx-vhjg","id":"tcs_01M5KF2FPTYXK2P0V1FCVNBE4J","modified_at":"2026-05-05T16:07:09.862377Z","published_at":"2026-04-15T19:46:35Z","references":["https://osv.dev/vulnerability/GHSA-g82g-m9vx-vhjg","https://github.com/kimai/kimai/security/advisories/GHSA-g82g-m9vx-vhjg","https://nvd.nist.gov/vuln/detail/CVE-2026-40479","https://github.com/kimai/kimai/pull/2959","https://github.com/kimai/kimai","https://github.com/kimai/kimai/releases/tag/2.53.0"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-g82g-m9vx-vhjg","url":"https://osv.dev/vulnerability/GHSA-g82g-m9vx-vhjg"}],"summary":"Kimai has Stored XSS via Incomplete HTML Attribute Escaping in Team Member Widget"}