{"action":"Upgrade calibreweb to 0.6.15 or later.","affected":[{"fixed":"0.6.15","introduced":"0"}],"component":"calibreweb","cve_ids":["CVE-2021-3988"],"ecosystem":"PyPI","epss":0.0038,"exploited":false,"fixed_versions":["0.6.15"],"ghsa_id":"GHSA-r735-9gc6-2hvq","id":"tcs_01M5KGRCCBYZG0KAYSQF6B8MXQ","modified_at":"2026-07-07T17:47:24.660609975Z","published_at":"2026-07-07T14:34:44.701918Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1236","https://nvd.nist.gov/vuln/detail/CVE-2021-3988","https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5","https://github.com/janeczku/calibre-web","https://huntr.com/bounties/fa4c8fd1-7846-4dad-9112-2c07461f0609","https://pypi.org/project/calibreweb","https://github.com/advisories/GHSA-r735-9gc6-2hvq"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-1236","url":"https://osv.dev/vulnerability/PYSEC-2026-1236"}],"summary":"Cross-site Scripting (XSS) - DOM in janeczku/calibre-web"}