What is CVE-2014-3875?

CVE-2014-3875 is a medium-severity vulnerability in Ulli Horlacher Fex, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-27.

How severe is CVE-2014-3875?

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

XSS in Ulli Horlacher Fex

CVE-2014-3875

The addto parameter to fup in Frams' Fast File EXchange (F*EX, aka fex) before fex-2014053 allows remote attackers to conduct cross-site scripting (XSS) attacks

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-11-27 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.017 (75.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Ulli Horlacher Fex

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/126906/F-EX-20140313-1-HTTP-Response-Splitting-Cr… (Exploit, Patch, VDB Entry, Third Party Advisory)
security-tracker.debian.org/tracker/CVE-2014-3875 (Third Party Advisory)
www.openwall.com/lists/oss-security/2014/06/03/6 (Exploit, Patch, Mailing List, Third Party Advisory)
seclists.org/fulldisclosure/2014/Jun/1 (Exploit, Patch, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/67783 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2014-3875?: CVE-2014-3875 is a medium-severity vulnerability in Ulli Horlacher Fex, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-27.
How severe is CVE-2014-3875?: Medium severity. CVSS v3 base score is 6.1 out of 10.