What is CVE-2017-12138?

CVE-2017-12138 is a medium-severity vulnerability in Xoops, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2017-08-02.

How severe is CVE-2017-12138?

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

Is CVE-2017-12138 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Xoops

CVE-2017-12138

XOOPS Core 2.5.8 has a stored URL redirect bypass vulnerability in /modules/profile/index.php because of the URL filter.

Vulnerability class: Open Redirect

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: 0.034 (88.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000

Affected products

Xoops — versions 2.5.8

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

References

www.securityfocus.com/bid/100091 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/XOOPS/XoopsCore25/issues/523 (Third Party Advisory)

Frequently asked questions

What is CVE-2017-12138?: CVE-2017-12138 is a medium-severity vulnerability in Xoops, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2017-08-02.
How severe is CVE-2017-12138?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2017-12138 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.