Vulnerability · Published May 3, 2026 · Assigned by VulDB
CVE-2026-7677kerwincui FastBee System Notice SysNoticeController.java add cross site scripting
Low 3.5
In plain English
A low-severity cross-site scripting in FastBee from kerwincui. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Official description
A vulnerability was determined in kerwincui FastBee up to 1.2.1. The impacted element is the function Add of the file springboot/fastbee-admin/src/main/java/com/fastbee/web/controller/system/SysNoticeController.java of the component System Notice Handler. This manipulation of the argument noticeContent causes cross site scripting. It is possible to initiate the attack 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.
Affected products (as reported)
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-360830 | kerwincui FastBee System Notice SysNoticeController.java add cross site scripting vdb-entry, technical-description
- VDB-360830 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #800724 | kerwincui FastBee ≤ 1.2.1 Improper Neutralization of Alternate XSS Syntax third-party-advisory
- https://fx4tqqfvdw4.feishu.cn/docx/Iu5Dd558UoS4uIxhH9YcgNsWnjc?from=from_copylink exploit