CVE-2023-30790 Cross-site scripting in MonicaHQ

Medium 5.4 Published 8 May 2023 Updated 3 Feb 2025

Authenticated attackers can execute malicious code via Cross-Site Template Injection in the relationships endpoint of MonicaHQ.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-30790?

CVE-2023-30790 is a medium-severity cross-site scripting vulnerability in MonicaHQ, published on 8 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

MonicaHQ version 4.0.0 allows an authenticated remote attacker to execute malicious code in the application via CSTI in the `people:id/relationships` endpoint and first_name and last_name parameter.

Weakness: CWE-79

Which versions are affected by CVE-2023-30790?

It affects 1 product.

Products include Monicahq Monica.

How do I fix CVE-2023-30790?

No fix has been published for CVE-2023-30790 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-2023-30790 being exploited?

There is no known exploitation of CVE-2023-30790 in the wild and no public exploit code.

Sources

Also known as GHSA-2x37-ffq7-5322.