What is CVE-2017-12139?

CVE-2017-12139 is a medium-severity vulnerability in Xoops, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-02.

How severe is CVE-2017-12139?

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

XSS in Xoops

CVE-2017-12139

XOOPS Core 2.5.8 has stored XSS in imagemanager.php because of missing MIME type validation in htdocs/class/uploader.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-08-02 · 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: 0.008 (54.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Xoops — versions 2.5.8

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/XOOPS/XoopsCore25/issues/524 (Third Party Advisory)
www.securityfocus.com/bid/100094 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-12139?: CVE-2017-12139 is a medium-severity vulnerability in Xoops, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-02.
How severe is CVE-2017-12139?: Medium severity. CVSS v3 base score is 6.1 out of 10.