{"action":"Upgrade prototypejs to 1.7.3-1 or later.","affected":[{"fixed":"1.7.3-1","introduced":"0"}],"component":"prototypejs","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.7.3-1"],"id":"tcs_01M5NEY45ADV0ZX7M84M3GEBQW","modified_at":"2026-10-26T12:02:42.362823812Z","published_at":"2021-06-21T20:15:08.160Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-27511","https://security-tracker.debian.org/tracker/CVE-2020-27511"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-27511#Debian:13/prototypejs","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-27511"}],"summary":"An issue was discovered in the stripTags and unescapeHTML components in Prototype 1.7.3 where an attacker can cause a Regular Expression Denial of Service (ReDOS) through stripping crafted HTML tags."}