Read the docs
TI-2026-19139 Aliases CVE-2026-23768GHSA-2xhv-22cq-xj7w

Server-side request forgery in NAVER lucy-xss-filter

Priority MEDIUM 60CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

lucy-xss-filter before commit 7c1de6d allows an attacker to induce server-side HEAD requests to arbitrary URLs when the ObjectSecurityListener or EmbedSecurityListener option is enabled and embed or object tags are used with a src attribute missing a file extension.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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-2026-23768
  2. 2026-10-03 Alias added: GHSA-2xhv-22cq-xj7w

References

  • TI-2026-19140 Cross-site scripting in NAVER lucy-xss-filter CVSS 3.1MEDIUM 6.5

Sources