CVE-2012-4548: Argument injection vulnerability in syntax-highlighting.sh in cgit 9.0.3 and earlier allows remote authenticat

Q: How do I fix CVE-2012-4548?

cgit: upgrade to newer than 0.9.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2012-4548 being exploited?

CVE-2012-4548 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-2012-4548 affect?

CVE-2012-4548 affects cgit. Severity is medium (CVSS 6.0). Argument injection vulnerability in syntax-highlighting.sh in cgit 9.0.3 and earlier allows remote authenticated users with permissions to add files to execute arbitrary commands via the --plug-in argument to the highlight command.

Q: How urgent is CVE-2012-4548?

Priority 43/100. No elevated risk signals yet.

This month

MEDIUM 6.0UPGRADE

CVE-2012-4548 is a medium-severity flaw (CVSS 6.0) affecting cgit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Argument injection vulnerability in syntax-highlighting.sh in cgit 9.0.3 and earlier allows remote authenticated users with permissions to add files to execute arbitrary commands via the --plug-in argument to the highlight command.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.0 (Medium)
EPSS exploit chance	2.8% (top 14%)
CISA exploited list	No
Published	2012-11-11
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: lars hjemli

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-11-11 13:00 UTCPublished CVE record published
2026-06-16 23:45 UTCUpdated Record last modified

lars hjemli cgit UPGRADE

Affected: <= 0.9.0.3 · 0.1 · 0.2 · 0.3 · 0.4 · 0.5 · 0.6 · 0.6.1

Fixed in: newer than 0.9.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.9.0.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cgit

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-2012-4548?

cgit: upgrade to newer than 0.9.0.3. Exact commands for each OS are on this page.

Is CVE-2012-4548 being exploited?

CVE-2012-4548 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-2012-4548 affect?

CVE-2012-4548 affects cgit. Severity is medium (CVSS 6.0). Argument injection vulnerability in syntax-highlighting.sh in cgit 9.0.3 and earlier allows remote authenticated users with permissions to add files to execute arbitrary commands via the --plug-in argument to the highlight command.

How urgent is CVE-2012-4548?

Priority 43/100. No elevated risk signals yet.

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References

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