How severe is CVE-2019-11812?

CVE-2019-11812 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-11812 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11812?

CVE-2019-11812 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11812?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-11812 published?

CVE-2019-11812 was published on 2019-05-08 and last updated on 2026-06-22.

CVE-2019-11812

CVE-2019-11812 is a medium-severity vulnerability in Misp-project Misp with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Misp-project Misp
Published: 2019-05-08
Last modified: 2026-06-22

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-11812?: CVE-2019-11812 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-11812 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11812?: CVE-2019-11812 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11812?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-11812 published?: CVE-2019-11812 was published on 2019-05-08 and last updated on 2026-06-22.

References

https://github.com/MISP/MISP/commit/3a085a6ceea00b3ab674a984dd56c1846ef775ff

Affected products (1)

cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*

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