CVE-2021-32853 Erxes vulnerable to Cross-site Scripting

Medium 6.1 Published Updated

Attackers can execute client-side code via malicious links in Erxes, requiring user interaction to trigger the vulnerability.

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-2021-32853?

CVE-2021-32853 is a medium-severity cross-site scripting vulnerability in npm erxes, published on 20 Feb 2023. 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

Erxes, an experience operating system (XOS) with a set of plugins, is vulnerable to cross-site scripting in versions 0.22.3 and prior. This results in client-side code execution. The victim must follow a malicious link or be redirected there from malicious web site. There are no known patches.

Weakness: CWE-79

Which versions are affected by CVE-2021-32853?

2 open source packages ship an affected version, including erxes. It affects 1 product.

PackageAffectedFixed in
erxes npmAll versions to 1.0.1None
erxes npmAll versions to 1.0.1None

Products include Erxes Erxes.

How do I fix CVE-2021-32853?

No fix has been published for CVE-2021-32853 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-2021-32853 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-32853 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-g9ph-r9hc-34r8.

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