# CVE-2026-90564

## Summary

- **CVE ID:** CVE-2026-90564
- **Severity:** MEDIUM
- **CVSS Score:** 5.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X)
- **CWE:** CWE-79, CWE-94
- **Published:** Sep 13, 2026
- **Last Modified:** Sep 14, 2026

## Description

A vulnerability was identified in quequnlong shiyi-blog 1.0.0-1.2.1. This impacts the function SysChatMsgMapper.getChatMsgList of the file blog-web/src/views/chat/index.vue of the component chat sendMsg Endpoint. Such manipulation of the argument chat_msg leads to cross site scripting. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.

## Affected Products

- quequnlong — shiyi-blog (1.0.0-1.2.1)

## References

- [CNA](https://vuldb.com/vuln/403149)
- [CNA](https://vuldb.com/vuln/403149/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90564)
- [CNA](https://vuldb.com/submit/912553)
- [CNA](https://gitee.com/quequnlong/shiyi-blog/issues/IK5RVL)
- [CNA](https://gitee.com/quequnlong/shiyi-blog/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 10.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._