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    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.

    Published:Jan 16, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 16, 2026
    EPSS Score:0.00016
    CVSS Score:6.1

    Affected Products

    Vendor
    Naver
    Product
    Lucy-xss-filter

    Exploits

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

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High