{"action":"Upgrade getkirby/cms to 3.5.8 or later.","affected":[{"fixed":"3.5.8","introduced":"3.5.0"}],"component":"getkirby/cms","cve_ids":["CVE-2021-41252"],"ecosystem":"Packagist","epss":0.00927,"exploited":false,"fixed_versions":["3.5.8"],"ghsa_id":"GHSA-x7j7-qp7j-hw3q","id":"tcs_01M5KFATB92JFZGKGR3GMCZ05T","modified_at":"2026-07-08T06:28:24.420582020Z","published_at":"2021-11-16T17:04:19Z","references":["https://osv.dev/vulnerability/GHSA-x7j7-qp7j-hw3q","https://github.com/getkirby/kirby/security/advisories/GHSA-x7j7-qp7j-hw3q","https://nvd.nist.gov/vuln/detail/CVE-2021-41252","https://github.com/getkirby/kirby/commit/25fc5c6b330442e6433c99befc688f3698c5d1fc","https://github.com/getkirby/kirby","https://github.com/getkirby/kirby/releases/tag/3.5.8"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-x7j7-qp7j-hw3q","url":"https://osv.dev/vulnerability/GHSA-x7j7-qp7j-hw3q"}],"summary":"Cross-site scripting (XSS) from writer field content in the site frontend"}