CVE-2026-23768 — MEDIUM (6.1)

Q: How severe is CVE-2026-23768?

CVE-2026-23768 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-23768?

Check the references section above for vendor advisories and patch information. Affected products include: Naver Lucy-Xss-Filter.

Vulnerability Description

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.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Naver	Lucy-Xss-Filter	< 2025-06-08

Related Weaknesses (CWE)

CWE-918

References

https://cve.naver.com/detail/cve-2026-23768.htmlVendor Advisory
https://github.com/naver/lucy-xss-filter/pull/31ExploitPatch

FAQ

What is CVE-2026-23768?

CVE-2026-23768 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 o...

How severe is CVE-2026-23768?

CVE-2026-23768 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-23768?

Check the references section above for vendor advisories and patch information. Affected products include: Naver Lucy-Xss-Filter.