What is CVE-2018-5688?

CVE-2018-5688 is a medium-severity vulnerability in Ilias, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-14.

How severe is CVE-2018-5688?

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

XSS in Ilias

CVE-2018-5688

ILIAS before 5.2.4 has XSS via the cmd parameter to the displayHeader function in setup/classes/class.ilSetupGUI.php in the Setup component.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-01-14 · 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: 0.033 (88.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

Ilias

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.exploit-db.com/exploits/43595/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.ilias.de/docu/goto_docu_pg_75029_35.html (Release Notes)
github.com/ILIAS-eLearning/ILIAS/commit/c0f326d05231072e33679b84835c03d5043255cb (Patch)

Frequently asked questions

What is CVE-2018-5688?: CVE-2018-5688 is a medium-severity vulnerability in Ilias, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-14.
How severe is CVE-2018-5688?: Medium severity. CVSS v3 base score is 6.1 out of 10.