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TI-2026-19140 Aliases CVE-2026-23769GHSA-vv6w-5g5j-5p4w

Cross-site scripting in NAVER lucy-xss-filter

Priority LOW 34CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0022 12th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

No affected products listed by the sources yet.

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:naver:lucy-xss-filter:*:*:*:*:*:*:*:*before 2025-06-08VulnerableNAVER
  • cpe:2.3:a:naver:lucy-xss-filter:*:*:*:*:*:*:*:* Versions before 2025-06-08 Vulnerable ·NAVER

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-23769
  2. 2026-10-03 Alias added: GHSA-vv6w-5g5j-5p4w

References

  • TI-2026-19139 Server-side request forgery in NAVER lucy-xss-filter CVSS 3.1MEDIUM 6.1

Sources