lucy-xss-filter before commit e5826c0 allows an attacker to execute malicious JavaScript due to improper sanitization caused by misconfigured default superset rule files.CreditsYounghun Ko of AhnLabReferenceshttps://cve.naver.com/detail/cve-2026-23769.htmlhttps://github.com/naver/lucy-xss-filter/pull/32