CVE-2023-5810 flusity CMS posts.php loadPostAddForm cross site scripting

Low 2.4 Published Updated

Remote attackers can inject malicious scripts via the edit_post_id parameter in flusity CMS, 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-2023-5810?

CVE-2023-5810 is a low-severity cross-site scripting vulnerability in flusity CMS, published on 27 Oct 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, which was classified as problematic, has been found in flusity CMS. This issue affects the function loadPostAddForm of the file core/tools/posts.php. The manipulation of the argument edit_post_id leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is 6943991c62ed87c7a57989a0cb7077316127def8. It is recommended to apply a patch to fix this issue. The identifier VDB-243641 was assigned to this vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2023-5810?

It affects 1 product.

Products include Flusity Flusity.

How do I fix CVE-2023-5810?

No fix has been published for CVE-2023-5810 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-2023-5810 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5810 exists.

Sources

Also known as GHSA-9hm7-c78p-gc7f.

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