XSS in Sir Gnuboard

CVE-2020-18663

Cross Site Scripting (XSS) vulnerability in gnuboard5 <=v5.3.2.8 via the act parameter in bbs/move_update.php.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (60.1th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-18663?
CVE-2020-18663 is a medium-severity vulnerability in Sir Gnuboard, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-24.
How severe is CVE-2020-18663?
Medium severity. CVSS v3 base score is 6.1 out of 10.