CVE-2023-24612: The PdfBook extension through 2.0.5 before b07b6a64 for MediaWiki allows command injection via an option.

Q: How do I fix CVE-2023-24612?

pdfbook: upgrade to newer than 2.0.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-24612 being exploited?

CVE-2023-24612 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-2023-24612 affect?

CVE-2023-24612 affects pdfbook. Severity is critical (CVSS 9.8). The PdfBook extension through 2.0.5 before b07b6a64 for MediaWiki allows command injection via an option.

Q: How urgent is CVE-2023-24612?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-24612 is a critical-severity flaw (CVSS 9.8) affecting pdfbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The PdfBook extension through 2.0.5 before b07b6a64 for MediaWiki allows command injection via an option.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-77
Published	2023-01-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: pdfbook project

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

Am I affected?

Timeline

2023-01-30 03:15 UTCPublished CVE record published
2026-06-17 05:39 UTCUpdated Record last modified

pdfbook project pdfbook UPGRADE

Affected: <= 2.0.5

Fixed in: newer than 2.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pdfbook || rpm -q pdfbook || pdfbook --version

2. UPGRADE to newer than 2.0.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pdfbook

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pdfbook

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-2023-24612?

pdfbook: upgrade to newer than 2.0.5. Exact commands for each OS are on this page.

Is CVE-2023-24612 being exploited?

CVE-2023-24612 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-2023-24612 affect?

CVE-2023-24612 affects pdfbook. Severity is critical (CVSS 9.8). The PdfBook extension through 2.0.5 before b07b6a64 for MediaWiki allows command injection via an option.

How urgent is CVE-2023-24612?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

References

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