CVE-2026-4186CWE-79CWE-94

UEditor JSONP Callback controller.php cross site scripting

Medium · published March 15, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
26.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00344 · 26.6th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-03-15T19:02Z
EPSS history
Timeline
  • 15 MAR 19:02Z
    UEditor JSONP Callback controller.php cross site scripting
    cvelistv5