CVE-2023-6303 CSZCMS Site Settings Page cross site scripting

Low 2.4 Published Updated

Attackers can inject malicious scripts via the Site Settings page, potentially leading to session hijacking or code execution.

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

What is CVE-2023-6303?

CVE-2023-6303 is a low-severity cross-site scripting vulnerability in CSZCMS, published on 27 Nov 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A vulnerability was found in CSZCMS 1.3.0. It has been classified as problematic. This affects an unknown part of the file /admin/settings/ of the component Site Settings Page. The manipulation of the argument Additional Meta Tag with the input <svg><animate onbegin=alert(1) attributeName=x dur=1s> leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-246129 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-79

Which versions are affected by CVE-2023-6303?

It affects 1 product.

Products include Cskaza Cszcms.

How do I fix CVE-2023-6303?

No fix has been published for CVE-2023-6303 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-2023-6303 being exploited?

There is no known exploitation of CVE-2023-6303 in the wild and no public exploit code.

Sources

Also known as GHSA-4rp6-9jgj-798p.

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