What is CVE-2019-11812?

CVE-2019-11812 is a medium-severity vulnerability in Misp, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-08.

How severe is CVE-2019-11812?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Misp

CVE-2019-11812

A persistent XSS issue was discovered in app/View/Helper/CommandHelper.php in MISP before 2.4.107. JavaScript can be included in the discussion interface, and can be triggered by clicking on the link.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-05-08 · last modified 2026-06-22.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.7th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/MISP/MISP/commit/3a085a6ceea00b3ab674a984dd56c1846ef775ff (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-11812?: CVE-2019-11812 is a medium-severity vulnerability in Misp, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-08.
How severe is CVE-2019-11812?: Medium severity. CVSS v3 base score is 6.1 out of 10.