EUVD-2026-17741
2026-04-01
VulnCheck
5.1
CVSS 4.0
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CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
A
Scope
X
Lifecycle Timeline
3
Analysis Generated
Apr 01, 2026 - 01:15 vuln.today
EUVD ID Assigned
Apr 01, 2026 - 01:15 euvd
EUVD-2026-17741
CVE Published
Apr 01, 2026 - 00:30 nvd
MEDIUM 5.1
Tags
Description
XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting (XSS) related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox.
Analysis
Cross-site scripting (XSS) in XenForo lightbox functionality allows unauthenticated remote attackers to inject malicious scripts that execute in the context of other users' browsers when interacting with post content displayed via lightbox. Versions before 2.3.9 and 2.2.18 are affected. …
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Priority Score
26
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0
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External POC / Exploit Code
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Destination URL
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