CVE-2026-23768

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 v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://cve.naver.com/detail/cve-2026-23768.html	Vendor Advisory
https://github.com/naver/lucy-xss-filter/pull/31	Exploit Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:naver:lucy-xss-filter:*:*:*:*:*:*:*:*

History

17 Jun 2026, 10:22

Type	Values Removed	Values Added
Summary		(es) lucy-xss-filter antes del commit 7c1de6d permite a un atacante inducir solicitudes HEAD del lado del servidor a URLs arbitrarias cuando la opción ObjectSecurityListener o EmbedSecurityListener está habilitada y se utilizan etiquetas embed u object con un atributo src al que le falta una extensión de archivo.

23 Jan 2026, 17:26

Type	Values Removed	Values Added
References	~~() https://cve.naver.com/detail/cve-2026-23768.html -~~	() https://cve.naver.com/detail/cve-2026-23768.html - Vendor Advisory
References	~~() https://github.com/naver/lucy-xss-filter/pull/31 -~~	() https://github.com/naver/lucy-xss-filter/pull/31 - Exploit, Patch
First Time		Naver Naver lucy-xss-filter
CPE		cpe:2.3:a:naver:lucy-xss-filter::::::::

16 Jan 2026, 16:15

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.1

16 Jan 2026, 06:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-16 06:15

Updated : 2026-06-17 10:22

NVD link : CVE-2026-23768

Mitre link : CVE-2026-23768

CVE.ORG link : CVE-2026-23768

JSON object : View

Products Affected

naver

lucy-xss-filter

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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