{"action":"Upgrade ssddanbrown/bookstack to 0.29.2 or later.","affected":[{"fixed":"0.29.2","introduced":"0.18.0"}],"component":"ssddanbrown/bookstack","cve_ids":["CVE-2020-11055"],"ecosystem":"Packagist","epss":0.00782,"exploited":false,"fixed_versions":["0.29.2"],"ghsa_id":"GHSA-5vf7-q87h-pg6w","id":"tcs_01M5KEWD0V59D8FBV0KREX7SK4","modified_at":"2026-09-10T03:48:45.764750308Z","published_at":"2020-05-07T21:10:26Z","references":["https://osv.dev/vulnerability/GHSA-5vf7-q87h-pg6w","https://github.com/BookStackApp/BookStack/security/advisories/GHSA-5vf7-q87h-pg6w","https://nvd.nist.gov/vuln/detail/CVE-2020-11055","https://bookstackapp.com/blog/beta-release-v0-29-2","https://github.com/BookStackApp/BookStack/releases/tag/v0.29.2","http://jvn.jp/en/jp/JVN41035278/index.html"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"GHSA-5vf7-q87h-pg6w","url":"https://osv.dev/vulnerability/GHSA-5vf7-q87h-pg6w"}],"summary":"Cross-Site Scripting in BookStack"}