CVE-2026-4186— UEditor JSONP Callback controller.php cross site scripting
Quick assessment
Affected
n/a UEditor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
ueditor是ueditor开源的一个编辑器。 UEditor 1.4.3.2及之前版本存在代码注入漏洞，该漏洞源于对文件php/controller.php?action=uploadimage中参数callback的错误操作，可能导致跨站脚本攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-4186
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
UEditor JSONP Callback controller.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
ueditor 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ueditor是ueditor开源的一个编辑器。 UEditor 1.4.3.2及之前版本存在代码注入漏洞，该漏洞源于对文件php/controller.php?action=uploadimage中参数callback的错误操作，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | UEditor | 1.4.3.0 | - |
|
II. Public POCs for CVE-2026-4186
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-4186
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-4186 (2)
-
Submit #769842: ueditor 1.4.3.2 jsonp injection third-party-advisory
-
CVE-2026-4186 UEditor JSONP Callback controller.php cross site scripting vdb-entry technical-description
Security Blog Posts for CVE-2026-4186 (1)
Same Patch Batch · n/a · 2026-03-15 · 4 CVEs total
| CVE-2026-4185 | 6.3 MEDIUM | GPAC MP4Box swf_parse.c swf_def_bits_jpeg stack-based overflow |
| CVE-2026-4189 | 4.7 MEDIUM | phpipam Section edit-result.php sql injection |
| CVE-2026-4174 | 3.3 LOW | Radare2 Mach-O File mach0.c walk_exports_trie resource consumption |
IV. Related Vulnerabilities
Same vendor: n/a
-
CVE-2026-103227
GPAC DASH Client dash_client.c gf_dash_resolve_url buffer ov -
CVE-2026-103118
GraphicsMagick WPG File wpg.c ExtractPostscript recursion -
CVE-2026-102249
REBUILD file-editor-save authorization -
CVE-2026-102248
Rebuild Login Endpoint login improper authentication -
CVE-2026-102247
FastAdmin Database Management database.php unnecessary privi
Same weakness: CWE-79
V. Comments for CVE-2026-4186
No comments yet