CVE-2026-4186

| EUVD-2026-12243 LOW
2026-03-15 VulDB
3.5
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

4
PoC Detected
Mar 16, 2026 - 14:53 vuln.today
Public exploit code
Analysis Generated
Mar 15, 2026 - 20:00 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 20:00 euvd
EUVD-2026-12243
CVE Published
Mar 15, 2026 - 19:02 nvd
LOW 3.5

Tags

PHP XSS

Description

A vulnerability was determined in UEditor up to 1.4.3.2. This issue affects some unknown processing of the file php/controller.php?action=uploadimage of the component JSONP Callback Handler. This manipulation of the argument callback causes cross site scripting. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

Analysis

A vulnerability was determined in UEditor up to 1.4.3.2.

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Remediation

During next maintenance window: Apply vendor patches when convenient. Verify cross-site scripting controls are in place.

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Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +18
POC: +20

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CVE-2026-4186 vulnerability details – vuln.today
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