What is CVE-2015-8375?

CVE-2015-8375 is a medium-severity vulnerability in Php-Fusion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-09-25.

How severe is CVE-2015-8375?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Php-Fusion

CVE-2015-8375

Cross-site scripting (XSS) vulnerability in PHP-Fusion 9.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Php-Fusion — versions 9.00

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gist.github.com/bscarvell/57f82000bf823071404e (Exploit, Third Party Advisory)
www.openwall.com/lists/oss-security/2015/11/29/4 (mailing-list, Exploit, Patch, Mailing List, Third Party Advisory)
github.com/php-fusion/PHP-Fusion/commit/f1a5fce791e2392d5a23a6d62ab65c481cdd6a66 (Patch, Third Party Advisory)
cve.killedkenny.io/cve/CVE-2015-8375 (Third Party Advisory)

Frequently asked questions

What is CVE-2015-8375?: CVE-2015-8375 is a medium-severity vulnerability in Php-Fusion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-09-25.
How severe is CVE-2015-8375?: Medium severity. CVSS v3 base score is 5.4 out of 10.