What is CVE-2018-19600?

CVE-2018-19600 is a medium-severity vulnerability in Rhymix, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-01-03.

How severe is CVE-2018-19600?

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

Is CVE-2018-19600 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Rhymix

CVE-2018-19600

Rhymix CMS 1.9.8.1 allows XSS via an index.php?module=admin&act=dispModuleAdminFileBox SVG upload.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-01-03 · 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: 0.007 (50.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Rhymix — versions 1.9.8.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

0xT11/CVE-POC

References

github.com/security-breachlock/CVE-2018-19600/blob/master/XSS.pdf (Exploit, Third Party Advisory)
github.com/rhymix/rhymix/issues/1088 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-19600?: CVE-2018-19600 is a medium-severity vulnerability in Rhymix, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-01-03.
How severe is CVE-2018-19600?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2018-19600 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.