What is CVE-2026-90564?

CVE-2026-90564 is a low-severity vulnerability in Quequnlong Shiyi-Blog, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-13.

How severe is CVE-2026-90564?

Low severity. CVSS v3 base score is 3.5 out of 10.

RCE in Quequnlong Shiyi-Blog

CVE-2026-90564

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.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Quequnlong Shiyi-blog — versions 1.0.0-1.2.1

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-90564?: CVE-2026-90564 is a low-severity vulnerability in Quequnlong Shiyi-Blog, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-13.
How severe is CVE-2026-90564?: Low severity. CVSS v3 base score is 3.5 out of 10.