CVE-2026-23768

MEDIUM
2026-01-16 [email protected]
6.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 23, 2026 - 17:26 vuln.today
Public exploit code
CVE Published
Jan 16, 2026 - 06:15 nvd
MEDIUM 6.1

Tags

SSRF XSS Lucy Xss Filter

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.

Analysis

Lucy XSS Filter with ObjectSecurityListener or EmbedSecurityListener enabled is vulnerable to server-side request forgery (SSRF) via malformed embed or object tags lacking file extensions in src attributes, allowing remote attackers to trigger arbitrary HEAD requests to internal or external URLs. Public exploit code exists for this vulnerability, and no patch is currently available.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: +20

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CVE-2026-23768 vulnerability details – vuln.today
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