{"action":"Upgrade express-xss-sanitizer to 2.0.2 or later.","affected":[{"fixed":"2.0.2","introduced":"0"}],"component":"express-xss-sanitizer","cve_ids":["CVE-2026-33979"],"ecosystem":"npm","epss":0.00389,"exploited":false,"fixed_versions":["2.0.2"],"ghsa_id":"GHSA-3843-rr4g-m8jq","id":"tcs_01M5KEWHHGCAVP7C8APSQ4NT9Y","modified_at":"2026-03-30T20:19:57.372851Z","published_at":"2026-03-27T17:56:45Z","references":["https://osv.dev/vulnerability/GHSA-3843-rr4g-m8jq","https://github.com/AhmedAdelFahim/express-xss-sanitizer/security/advisories/GHSA-3843-rr4g-m8jq","https://nvd.nist.gov/vuln/detail/CVE-2026-33979","https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/5623009ef11dcf095c163a38dea07b9cc22ad19f","https://github.com/AhmedAdelFahim/express-xss-sanitizer","https://github.com/AhmedAdelFahim/express-xss-sanitizer/releases/tag/v2.0.2"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-3843-rr4g-m8jq","url":"https://osv.dev/vulnerability/GHSA-3843-rr4g-m8jq"}],"summary":"Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)"}