CVE-2023-1881 Cross-site Scripting (XSS) - Stored in microweber/microweber

High 7.4 Published Updated

Stored XSS in Microweber allows attackers to inject malicious scripts, 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
Available

What is CVE-2023-1881?

CVE-2023-1881 is a high-severity cross-site scripting vulnerability in Microweber Microweber, published on 5 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cross-site Scripting (XSS) - Stored in GitHub repository microweber/microweber prior to 1.3.3.

Weakness: CWE-79

Which versions are affected by CVE-2023-1881?

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

PackageAffectedFixed in
microweber/microweber PackagistAll versions1.3.3
microweber/microweber PackagistAll versions1.3.3

Products include Microweber Microweber.

How do I fix CVE-2023-1881?

Upgrade microweber/microweber to 1.3.3 or later.

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-2023-1881 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1881 exists.

All Microweber Microweber vulnerabilities

Sources

Also known as GHSA-hhjm-mpmf-cxg9.

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