XSS in Gnuboard Gnuboard5
CVE-2021-3831
gnuboard5 is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Gnuboard Gnuboard5
- Gnuboard Gnuboard/gnuboard5 — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-3831?
- CVE-2021-3831 is a medium-severity vulnerability in Gnuboard Gnuboard5, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-14.
- How severe is CVE-2021-3831?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-3831 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.