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.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://magnificent-dill-351.notion.site/JSONP-Injection-in-ueditor-1-4-3-2-317c
- https://vuldb.com/?ctiid.351092
- https://vuldb.com/?id.351092
- https://vuldb.com/?submit.769842
FAQ
What is CVE-2026-4186?
CVE-2026-4186 is a vulnerability with a CVSS score of 3.5 (LOW). 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 mani...
How severe is CVE-2026-4186?
CVE-2026-4186 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4186?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.