What is CVE-2018-12030?

CVE-2018-12030 is a medium-severity vulnerability in Chevereto, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-06-15.

How severe is CVE-2018-12030?

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

XSS in Chevereto

CVE-2018-12030

Chevereto Free before 1.0.13 has XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-06-15 · 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: 0.007 (50.0th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% 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: 0.007 · change: -0.002

Affected products

Chevereto

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

edricteo.com/chevereto-free-xss-vulnerability-in-version-1.0.12/ (Exploit, Third Party Advisory)
github.com/Chevereto/Chevereto-Free/commit/159daeab6adfe828bd06e6e74f5b647bf9b1… (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-12030?: CVE-2018-12030 is a medium-severity vulnerability in Chevereto, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-06-15.
How severe is CVE-2018-12030?: Medium severity. CVSS v3 base score is 5.4 out of 10.