CVE-2021-37743

Name: CVE-2021-37743
Creator: NVD / NIST
Published: 2021-07-30T15:15:09.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.67%

Last modified Jun 22, 2026

CVE-2021-37743 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. app/View/GalaxyElements/ajax/index.ctp in MISP 2.4.147 allows Stored XSS when viewing galaxy cluster elements in JSON format.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

app/View/GalaxyElements/ajax/index.ctp in MISP 2.4.147 allows Stored XSS when viewing galaxy cluster elements in JSON format.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Misp-Project	Misp	2.4.147

References

https://github.com/MISP/MISP/commit/f318f7c0ddac7dfd2b1f246fd8f488d9dfc3a4bfPatch, Third Party Advisory
https://github.com/MISP/MISP/commit/f318f7c0ddac7dfd2b1f246fd8f488d9dfc3a4bfPatch, Third Party Advisory

Timeline

Published: Jul 30, 2021
Last Modified: Jun 22, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37743?

app/View/GalaxyElements/ajax/index.ctp in MISP 2.4.147 allows Stored XSS when viewing galaxy cluster elements in JSON format.

How severe is CVE-2021-37743?

CVE-2021-37743 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37743?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37743?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST