What is CVE-2018-11430?

CVE-2018-11430 is a medium-severity vulnerability in Moderator Log Notes Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-05-28.

How severe is CVE-2018-11430?

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

XSS in Moderator Log Notes Project

CVE-2018-11430

An issue was discovered in the Moderator Log Notes plugin 1.1 for MyBB. It allows moderators to save notes and display them in a list in the modCP. The XSS is located in the mod notes textarea.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-05-28 · 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: 0.006 (46.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Moderator Log Notes Project — versions 1.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.exploit-db.com/exploits/44754/ (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2018-11430?: CVE-2018-11430 is a medium-severity vulnerability in Moderator Log Notes Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-05-28.
How severe is CVE-2018-11430?: Medium severity. CVSS v3 base score is 5.4 out of 10.