What is CVE-2016-4847?

CVE-2016-4847 is a medium-severity vulnerability in Ossec Web Ui, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-04-20.

How severe is CVE-2016-4847?

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

XSS in Ossec Web Ui

CVE-2016-4847

Cross-site scripting (XSS) vulnerability in site/search.php in OSSEC Web UI before 0.9 allows remote attackers to inject arbitrary web script or HTML by leveraging an unanchored regex.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-04-20 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.013 (69.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Ossec Web Ui

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/ossec/ossec-wui/commit/b4dcbba7a8eb09ba9d38fc69807a8861255736d0 (Patch)
www.securityfocus.com/bid/92536 (VDB Entry, Third Party Advisory, vdb-entry)
jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000141.html (VDB Entry, Third Party Advisory, third-party-advisory)
jvn.jp/en/jp/JVN58455472/index.html (VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-4847?: CVE-2016-4847 is a medium-severity vulnerability in Ossec Web Ui, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-04-20.
How severe is CVE-2016-4847?: Medium severity. CVSS v3 base score is 6.1 out of 10.