CVE-2026-23769

Description

lucy-xss-filter before commit e5826c0 allows an attacker to execute malicious JavaScript due to improper sanitization caused by misconfigured default superset rule files.

PUBLISHED Reserved 2026-01-16 | Published 2026-01-16 | Updated 2026-01-16 | Assigner naver

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Credits

Younghun Ko of AhnLab finder

References

cve.naver.com/detail/cve-2026-23769.html vendor-advisory

github.com/naver/lucy-xss-filter/pull/32 mitigation

cve.org (CVE-2026-23769)

nvd.nist.gov (CVE-2026-23769)

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