CVE-2024-30263 The PDF Viewer macro can be used to view PDF attachments with restricted access

High 7.7 Published Updated

Users with edit or view rights can bypass access restrictions to view protected PDF attachments via the PDF Viewer macro.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-30263?

CVE-2024-30263 is a high-severity missing authorization vulnerability in xwikisas macro-pdfviewer, published on 4 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js. Users with edit rights can access restricted PDF attachments using the PDF Viewer macro, just by passing the attachment URL as the value of the ``file`` parameter. Users with view rights can access restricted PDF attachments if they are shown on public pages where the PDF Viewer macro is called using the attachment URL instead of its reference. This vulnerability has been patched in version 2.5.1.

Weakness: CWE-200

Which versions are affected by CVE-2024-30263?

How do I fix CVE-2024-30263?

No fix has been published for CVE-2024-30263 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-30263 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-30263 exists.

Sources

Also known as GHSA-93qq-2h34-g29f.

Is CVE-2024-30263 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free