CVE-2020-21494 — MEDIUM (6.1)

Vulnerability Description

A cross-site scripting (XSS) vulnerability in the component install\install.sql of Xiuno BBS 4.0.4 allows attackers to execute arbitrary web scripts or HTML via changing the doctype value to 0.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Xiuno	Xiunobbs	4.0.4

Related Weaknesses (CWE)

CWE-79

References

https://gitee.com/xiuno/xiunobbs/issues/I16BHHIssue TrackingThird Party Advisory
https://github.com/wanghaiwei/xiuno-docker/issues/4ExploitIssue TrackingThird Party Advisory
https://gitee.com/xiuno/xiunobbs/issues/I16BHHIssue TrackingThird Party Advisory
https://github.com/wanghaiwei/xiuno-docker/issues/4ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2020-21494?

CVE-2020-21494 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A cross-site scripting (XSS) vulnerability in the component install\install.sql of Xiuno BBS 4.0.4 allows attackers to execute arbitrary web scripts or HTML via changing the doctype value to 0.

How severe is CVE-2020-21494?

CVE-2020-21494 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21494?

Check the references section above for vendor advisories and patch information. Affected products include: Xiuno Xiunobbs.