CVE-2021-3831

Public Exploit
Cross-site Scripting (XSS) - Reflected in gnuboard/gnuboard5

Description

gnuboard5 is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.97% Top 20%
Third-Party Advisory github.com Third-Party Advisory huntr.dev
Affected: gnuboard gnuboard/gnuboard5
Published at:
Updated at:

References

Link Tags
https://huntr.dev/bounties/25775287-88cd-4f00-b978-692d627dff04 exploit third party advisory patch
https://github.com/gnuboard/gnuboard5/commit/2e81619ea87bc9c0b4a073d8df3c7693a6fdbf0d third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-3831?
CVE-2021-3831 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3831?
To fix CVE-2021-3831, 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-2021-3831 being actively exploited in the wild?
It is possible that CVE-2021-3831 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3831?
CVE-2021-3831 affects gnuboard gnuboard/gnuboard5.
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