CVE-2024-52300

Name: CVE-2024-52300
Creator: NVD / NIST
Published: 2024-11-13T16:15:20.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2024-52300 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Xwiki	Pdf Viewer Macro	< 2.5.6

References

https://github.com/xwikisas/macro-pdfviewer/security/advisories/GHSA-84wx-6vfp-5m6gThird Party Advisory

Timeline

Published: Nov 13, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-52300?

How severe is CVE-2024-52300?

CVE-2024-52300 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2024-52300?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-52300?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST