What is CVE-2018-10307?

CVE-2018-10307 is a medium-severity vulnerability in Ilias, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-18.

How severe is CVE-2018-10307?

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

XSS in Ilias

CVE-2018-10307

error.php in ILIAS 5.2.x through 5.3.x before 5.3.4 allows XSS via the text of a PDO exception.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-05-18 · 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: 0.009 (56.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Ilias

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/ILIAS-eLearning/ILIAS/commit/ca982e59d0b76c0374c9a7fd1acf2685ca57cf41 (Patch)
www.ilias.de/docu/goto_docu_pg_116799_35.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-10307?: CVE-2018-10307 is a medium-severity vulnerability in Ilias, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-18.
How severe is CVE-2018-10307?: Medium severity. CVSS v3 base score is 6.1 out of 10.