What is CVE-2018-10665?

CVE-2018-10665 is a medium-severity vulnerability in Ilias, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-02.

How severe is CVE-2018-10665?

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

XSS in Ilias

CVE-2018-10665

ILIAS 5.3.4 has XSS through unsanitized output of PHP_SELF, related to shib_logout.php and third-party demo files.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-05-02 · 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: 0.011 (65.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.011 · change: -0.000

Affected products

Ilias — versions 5.3.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.openbugbounty.org/reports/608858/ (Third Party Advisory)
github.com/ILIAS-eLearning/ILIAS/commit/c9c9211bd689f2dda02006159e69a856eae8944d (Patch)
github.com/ILIAS-eLearning/ILIAS/commit/3fe6aa778ca06080cf1b7303cbc458aa0c42392a (Patch)

Frequently asked questions

What is CVE-2018-10665?: CVE-2018-10665 is a medium-severity vulnerability in Ilias, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-02.
How severe is CVE-2018-10665?: Medium severity. CVSS v3 base score is 6.1 out of 10.