What is CVE-2017-10840?

CVE-2017-10840 is a medium-severity vulnerability in K5n.us Webcalendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-29.

How severe is CVE-2017-10840?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in K5n.us Webcalendar

CVE-2017-10840

Cross-site scripting vulnerability in WebCalendar 1.2.7 and earlier allows an attacker to inject arbitrary web script or HTML via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (56.8th 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

K5n.us Webcalendar — versions 1.2.7 and earlier
Webcalendar_project Webcalendar — versions 1.2.7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vultures@jpcert.or.jp (VDB Entry, Third Party Advisory, x_refsource_JVN, third-party-advisory)
vultures@jpcert.or.jp (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-10840?: CVE-2017-10840 is a medium-severity vulnerability in K5n.us Webcalendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-29.
How severe is CVE-2017-10840?: Medium severity. CVSS v3 base score is 6.1 out of 10.