CVE-2020-18327 Cross-site scripting in n/a

Medium 6.1 Published 4 Mar 2022 Updated 4 Aug 2024

An attacker can execute arbitrary scripts in the victim's browser via the admin-nodebrowser API, potentially leading to session hijacking or data theft.

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

What is CVE-2020-18327?

CVE-2020-18327 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) vulnerability exists in Alfresco Alfresco Community Edition v5.2.0 via the action parameter in the alfresco/s/admin/admin-nodebrowser API. Fixed in v6.2

Weakness: CWE-79

Which versions are affected by CVE-2020-18327?

1 open source package ship an affected version, including alfresco. It affects 1 product.

Package	Affected	Fixed in
`alfresco` Bitnami	From `5.2.0` to `5.2.0`	None

Products include Alfresco Alfresco.

How do I fix CVE-2020-18327?

No fix has been published for CVE-2020-18327 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-2020-18327 being exploited?

There is no known exploitation of CVE-2020-18327 in the wild and no public exploit code.

Sources

Also known as BIT-alfresco-2020-18327, GHSA-r82g-4j97-fq26.