What is CVE-2015-5399?

CVE-2015-5399 is a medium-severity vulnerability in Phpvibe, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2016-08-26.

How severe is CVE-2015-5399?

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

XSS in Phpvibe

CVE-2015-5399

Cross-site scripting (XSS) vulnerability in PHPVibe before 4.21 allows remote authenticated users to inject arbitrary web script or HTML via a comment.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2016-08-26 · 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: 0.019 (78.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Phpvibe

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/132715/phpVibe-Stored-Cross-Site-Scripting.html (Exploit, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/37659 (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2015-5399?: CVE-2015-5399 is a medium-severity vulnerability in Phpvibe, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2016-08-26.
How severe is CVE-2015-5399?: Medium severity. CVSS v3 base score is 5.4 out of 10.