What is CVE-2018-13999?

CVE-2018-13999 is a medium-severity vulnerability in Catfish-Cms Catfish Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-07-12.

How severe is CVE-2018-13999?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Catfish-Cms Catfish Cms

CVE-2018-13999

Catfish CMS v4.7.9 allows XSS via the admin/Index/write.html editorValue parameter (aka an article posted by an administrator).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-07-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% 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

Catfish-Cms Catfish Cms — versions 4.7.9

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/xwlrbh/Catfish/issues/2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-13999?: CVE-2018-13999 is a medium-severity vulnerability in Catfish-Cms Catfish Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-07-12.
How severe is CVE-2018-13999?: Medium severity. CVSS v3 base score is 4.8 out of 10.