What is CVE-2019-13340?

CVE-2019-13340 is a medium-severity vulnerability in 1234n Minicms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-07-05.

How severe is CVE-2019-13340?

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

XSS in 1234n Minicms

CVE-2019-13340

In MiniCMS V1.10, stored XSS was found in mc-admin/post-edit.php via the content box. An attacker can use it to get a user's cookie. This is different from CVE-2018-10296, CVE-2018-16233, CVE-2018-20520, and CVE-2019-13186.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-07-05 · 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: 0.006 (47.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% 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

1234n Minicms — versions 1.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/bg5sbk/MiniCMS/issues/32 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-13340?: CVE-2019-13340 is a medium-severity vulnerability in 1234n Minicms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-07-05.
How severe is CVE-2019-13340?: Medium severity. CVSS v3 base score is 4.8 out of 10.