CVE-2026-2200 heyewei JFinalCMS API Endpoint save cross site scripting
Remote attackers can inject malicious scripts into the JFinalCMS admin save endpoint, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-2200?
CVE-2026-2200 is a medium-severity cross-site scripting vulnerability in heyewei JFinalCMS, published on 9 Feb 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A weakness has been identified in heyewei JFinalCMS 5.0.0. This affects an unknown function of the file /admin/admin/save of the component API Endpoint. Executing a manipulation can lead to cross site scripting. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-2200?
It affects 1 product.
Products include Heyewei Jfinalcms.
How do I fix CVE-2026-2200?
No fix has been published for CVE-2026-2200 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-2026-2200 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2200 exists.
Other vulnerabilities in heyewei JFinalCMS
- CVE-2024-57665 SQL injection in n/a
- CVE-2024-8782 JFinalCMS edit delete path traversal
- CVE-2024-8706 JFinalCMS com.cms.util.TemplateUtils update path traversal
- CVE-2024-5379 JFinalCMS template cross site scripting
- CVE-2024-8694 JFinalCMS com.cms.controller.admin.TemplateController update path traversal
Sources
Also known as GHSA-xhf6-49gh-77cw.