CVE-2026-23768

MEDIUM

lucy-xss-filter < 2025-06-08 - Server-Side Request Forgery via Object/Embed Tag src Attribute

Title source: llm

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.

References (2)

Core 2

Core References

Vendor Advisory vendor-advisory

https://cve.naver.com/detail/cve-2026-23768.html

Exploit, Patch mitigation

https://github.com/naver/lucy-xss-filter/pull/31

Scores

CVSS v3 6.1

EPSS 0.0022

EPSS Percentile 11.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-918

Status published

Products (1)

naver/lucy-xss-filter < 2025-06-08

Published Jan 16, 2026

Tracked Since Feb 18, 2026