How severe is CVE-2024-30263?

CVE-2024-30263 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-30263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-30263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-30263 have an EU (EUVD) identifier?

Yes. CVE-2024-30263 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28186.

When was CVE-2024-30263 published?

CVE-2024-30263 was published on 2024-04-04 and last updated on 2026-06-17.

CVE-2024-30263

CVE-2024-30263 is a high-severity vulnerability with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-28186
Weakness: CWE-200
Published: 2024-04-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-30263?: 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.
How severe is CVE-2024-30263?: CVE-2024-30263 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-30263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-30263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-30263 have an EU (EUVD) identifier?: Yes. CVE-2024-30263 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28186.
When was CVE-2024-30263 published?: CVE-2024-30263 was published on 2024-04-04 and last updated on 2026-06-17.

References

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