What is CVE-2021-26636?

CVE-2021-26636 is a high-severity vulnerability in Linux Kernel, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2022-06-23.

How severe is CVE-2021-26636?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Linux Kernel

CVE-2021-26636

Stored XSS and SQL injection vulnerability in MaxBoard could lead to occur Remote Code Execution, which could lead to information exposure and privilege escalation.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.014 (70.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Linux Linux_kernel
Maxb Maxboard
Maxboard — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting
CWE-89 — SQL Injection

References

vuln@krcert.or.kr (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-26636?: CVE-2021-26636 is a high-severity vulnerability in Linux Kernel, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2022-06-23.
How severe is CVE-2021-26636?: High severity. CVSS v3 base score is 8.8 out of 10.