XSS in Sir Gnuboard

CVE-2018-18676

GNUBOARD5 5.3.1.9 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "mobile board tail contents" parameter, aka the adm/board_form_update.php bo_mobile_content_tail parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.016 (72.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/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-2018-18676?
CVE-2018-18676 is a medium-severity vulnerability in Sir Gnuboard, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-07-23.
How severe is CVE-2018-18676?
Medium severity. CVSS v3 base score is 6.1 out of 10.