CVE-2021-35502 Cross-site scripting in n/a

Critical 9.8 Published 25 Jun 2021 Updated 4 Aug 2024

An attacker can inject malicious scripts into MISP generic templates, potentially leading to code execution or account takeover.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-35502?

CVE-2021-35502 is a critical cross-site scripting vulnerability in Misp-Project Misp, published on 25 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

app/View/Elements/genericElements/IndexTable/Fields/generic_field.ctp in MISP 2.4.144 does not sanitize certain data related to generic-template:index.

Which versions are affected by CVE-2021-35502?

It affects 1 product.

Products include Misp-Project Misp.

How do I fix CVE-2021-35502?

No fix has been published for CVE-2021-35502 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-35502 being exploited?

There is no known exploitation of CVE-2021-35502 in the wild and no public exploit code.

All Misp-Project Misp vulnerabilities

Sources

Also known as GHSA-rjx8-72h6-p6px.