What is CVE-2018-5689?

CVE-2018-5689 is a medium-severity vulnerability in Dotclear, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-01-14.

How severe is CVE-2018-5689?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Dotclear

CVE-2018-5689

Cross-site scripting (XSS) vulnerability in admin/auth.php in Dotclear 2.12.1 allows remote authenticated users to inject arbitrary web script or HTML via the malicious user's email.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-01-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% 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

Dotclear — versions 2.12.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

hg.dotclear.org/dotclear/rev/3b0b868d58b0 (Vendor Advisory)
dev.dotclear.org/2.0/changeset/3b0b868d58b00a1b216e0dc13c461bb3550ed3da (Vendor Advisory)

Frequently asked questions

What is CVE-2018-5689?: CVE-2018-5689 is a medium-severity vulnerability in Dotclear, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-01-14.
How severe is CVE-2018-5689?: Medium severity. CVSS v3 base score is 5.4 out of 10.