CVE-2006-4830: Directory traversal vulnerability in EditBlogTemplatesPlugin.java in David Czarnecki Blojsom 2.30 allows remot

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HIGH 10.0DOWNGRADE

CVE-2006-4830 is a high-severity flaw (CVSS 10.0) affecting blojsom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in EditBlogTemplatesPlugin.java in David Czarnecki Blojsom 2.30 allows remote attackers to have an unknown impact by sending an HTTP request with a certain value of blogTemplate.

Why this priority

Critical severity
EPSS top 10%: very likely to be exploited

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Published	2006-09-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: blojsom

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

Am I affected?

Timeline

2006-09-15 22:07 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

blojsom blojsom DOWNGRADE

Affected: 2.30

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.30

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.30 (Debian / Ubuntu)

apt-cache madison blojsom sudo apt install blojsom=<VERSION_BEFORE_2.30> sudo apt-mark hold blojsom

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list blojsom sudo dnf downgrade blojsom-<VERSION_BEFORE_2.30> sudo dnf versionlock add blojsom

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2006-4830?

blojsom: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-4830 being exploited?

CVE-2006-4830 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-2006-4830 affect?

CVE-2006-4830 affects blojsom. Severity is high (CVSS 10.0). Directory traversal vulnerability in EditBlogTemplatesPlugin.java in David Czarnecki Blojsom 2.30 allows remote attackers to have an unknown impact by sending an HTTP request with a certain value of blogTemplate.

How urgent is CVE-2006-4830?

Priority 58/100. Critical severity; EPSS top 10%: very likely to be exploited

Software pages

Java vulnerabilities

Related CVEs

CVE-2006-4829 MEDIUM 6.8 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in David Czarnecki Blojsom 2.31 allow remote attackers to

References

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