What is CVE-2018-10298?

CVE-2018-10298 is a medium-severity vulnerability in Discuz Discuzx, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-04-22.

How severe is CVE-2018-10298?

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

XSS in Discuz Discuzx

CVE-2018-10298

Discuz! DiscuzX through X3.4 has reflected XSS via forum.php?mod=post&action=newthread because data/template/1_diy_portal_view.tpl.php does not restrict the content.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-04-22 · 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: 0.005 (42.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Discuz Discuzx

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

laworigin.github.io/2018/04/22/Discuz-x-portal-Stored-XSS/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10298?: CVE-2018-10298 is a medium-severity vulnerability in Discuz Discuzx, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-04-22.
How severe is CVE-2018-10298?: Medium severity. CVSS v3 base score is 5.4 out of 10.