{"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:12","exploited":false,"fixed_versions":["1.7.3-1"],"id":"tcs_01M5NEY4253RHDMB0VE505R1PM","modified_at":"2026-09-11T11:02:31.884342735Z","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","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."}