CVE-2024-52300 macro-pdfviewer has a XSS through the width parameter
Attackers can inject malicious scripts via the width parameter, potentially compromising the entire XWiki installation when an admin views the page.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-52300?
CVE-2024-52300 is a critical cross-site scripting vulnerability in xwikisas macro-pdfviewer, published on 13 Nov 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js. The width parameter of the PDF viewer macro isn't properly escaped, allowing XSS for any user who can edit a page. XSS can impact the confidentiality, integrity and availability of the whole XWiki installation when an admin visits the page with the malicious code. This is fixed in 2.5.6.
Which versions are affected by CVE-2024-52300?
It affects 1 product.
Products include Xwiki Pdf Viewer Macro.
How do I fix CVE-2024-52300?
No fix has been published for CVE-2024-52300 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-2024-52300 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-52300 exists.
Other vulnerabilities in xwikisas macro-pdfviewer
Sources
Also known as GHSA-84wx-6vfp-5m6g.