CVE-2020-21495

Public Exploit

Description

A cross-site scripting (XSS) vulnerability in the component /admin/?setting-base.htm of Xiuno BBS 4.0.4 allows attackers to execute arbitrary web scripts or HTML via the sitename parameter.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory gitee.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/wanghaiwei/xiuno-docker/issues/5 third party advisory issue tracking exploit
https://gitee.com/xiuno/xiunobbs/issues/I16BI3 third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2020-21495?
CVE-2020-21495 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21495?
To fix CVE-2020-21495, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-21495 being actively exploited in the wild?
It is possible that CVE-2020-21495 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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