A persistent XSS issue was discovered in app/View/Helper/CommandHelper.php in MISP before 2.4.107.

published 2019-05-08 7 y ago modified 2026-06-22 4 mo ago also EUVD-2019-3478

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

misp-project misp 2.4.107

github.com/MISP/MISP@3a085a6 commit

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /MISP/MISP/commit/3a085a6ceea00b3ab674a984dd56c1846ef775ff
patch, third-party-advisory

Sources

CVE List CVE-2019-11812
NVD CVE-2019-11812

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary