CVE-2024-52299: macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js

Q: How do I fix CVE-2024-52299?

pdf viewer macro: upgrade to 2.5.6. Exact commands for each OS are on this page.

Q: Is CVE-2024-52299 being exploited?

CVE-2024-52299 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-52299 affect?

CVE-2024-52299 affects pdf viewer macro. Severity is high (CVSS 7.5). macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js. Any user with view right on XWiki.PDFViewerService can access any attachment stored in the wiki as the "key" that is passed to prevent this is computed incorrectly, calli

Q: How urgent is CVE-2024-52299?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2024-52299 is a high-severity flaw (CVSS 7.5) affecting pdf viewer macro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js. Any user with view right on XWiki.PDFViewerService can access any attachment stored in the wiki as the "key" that is passed to prevent this is computed incorrectly, calling skip on the digest stream doesn't update the digest. This is fixed in 2.5.6.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-340
Published	2024-11-13
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: xwiki

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-13 16:15 UTCPublished CVE record published
2026-06-17 08:06 UTCUpdated Record last modified

xwiki pdf viewer macro UPGRADE

Affected: < 2.5.6

Fixed in: 2.5.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pdf-viewer-macro || rpm -q pdf-viewer-macro || pdf-viewer-macro --version

2. UPGRADE to 2.5.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pdf-viewer-macro

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pdf-viewer-macro

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-52299?

pdf viewer macro: upgrade to 2.5.6. Exact commands for each OS are on this page.

Is CVE-2024-52299 being exploited?

CVE-2024-52299 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-52299 affect?

CVE-2024-52299 affects pdf viewer macro. Severity is high (CVSS 7.5). macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js. Any user with view right on XWiki.PDFViewerService can access any attachment stored in the wiki as the "key" that is passed to prevent this is computed incorrectly, calli

How urgent is CVE-2024-52299?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-52300 CRITICAL 9.0 UPGRADE macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js
CVE-2024-52298 HIGH 7.5 UPGRADE macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js

References

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