Vulnerability · Published Feb 9, 2026 · Assigned by VulDB
CVE-2026-2200heyewei JFinalCMS API Endpoint save cross site scripting
Low 2.4
In plain English
A low-severity cross-site scripting in JFinalCMS from heyewei. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)2.4Low
Exploit odds (30 days)0.3%top 80.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-344903 | heyewei JFinalCMS API Endpoint save cross site scripting vdb-entry, technical-description
- VDB-344903 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #750098 | heyewei heyewei JFinalcms 5.0.0 Improper Neutralization of Input During Web Page Generation third-party-advisory
- https://github.com/zh-010/my_cve/blob/main/heyewei%20JFinalCMS%20XSS.md exploit