CVE-2026-3027 erzhongxmu JEEWMS UEditor getContent.jsp cross site scripting
Remote attackers can execute arbitrary scripts via the myEditor parameter in UEditor's getContent.jsp, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-3027?
CVE-2026-3027 is a medium-severity cross-site scripting vulnerability in erzhongxmu JEEWMS, published on 23 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was found in erzhongxmu JEEWMS up to 3.7. This affects an unknown part of the file src/main/webapp/plug-in/ueditor/jsp/getContent.jsp of the component UEditor. The manipulation of the argument myEditor results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-3027?
It affects 1 product.
Products include Jeewms Jeewms.
How do I fix CVE-2026-3027?
No fix has been published for CVE-2026-3027 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-3027 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3027 exists.
Other vulnerabilities in erzhongxmu JEEWMS
Sources
Also known as GHSA-qg32-r7gw-fcxw.