What is CVE-2017-16802?

CVE-2017-16802 is a medium-severity vulnerability in Misp-Project Misp, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-11-13.

How severe is CVE-2017-16802?

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

Is CVE-2017-16802 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Misp-Project Misp

CVE-2017-16802

In the sharingGroupPopulateOrganisations function in app/webroot/js/misp.js in MISP 2.4.82, there is XSS via a crafted organisation name that is manually added.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-11-13 · 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: 0.006 (48.1th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% 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

Misp-Project Misp — versions 2.4.82

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

dawid-czarnecki/public-vulnerabilities

References

github.com/MISP/MISP/commit/a659664447a7b2a383cb9e0f6b43dcb43ec69194 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-16802?: CVE-2017-16802 is a medium-severity vulnerability in Misp-Project Misp, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-11-13.
How severe is CVE-2017-16802?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2017-16802 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.