What is CVE-2018-14840?

CVE-2018-14840 is a medium-severity vulnerability in Intelliants Subrion, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-02.

How severe is CVE-2018-14840?

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

XSS in Intelliants Subrion

CVE-2018-14840

uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.037 (88.5th 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

Intelliants Subrion — versions 4.2.1
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-14840?: CVE-2018-14840 is a medium-severity vulnerability in Intelliants Subrion, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-02.
How severe is CVE-2018-14840?: Medium severity. CVSS v3 base score is 6.1 out of 10.