CVE-2006-2406: Directory traversal vulnerability in bb_lib/abbc.css.php in Unclassified NewsBoard (UNB) 1.5.3-d and possibly

Q: How do I fix CVE-2006-2406?

unclassified newsboard: upgrade to newer than 1.5.3d. Exact commands for each OS are on this page.

Q: Is CVE-2006-2406 being exploited?

CVE-2006-2406 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-2006-2406 affect?

CVE-2006-2406 affects unclassified newsboard. Severity is low (CVSS 2.6). Directory traversal vulnerability in bb_lib/abbc.css.php in Unclassified NewsBoard (UNB) 1.5.3-d and possibly earlier versions, when register_globals is enabled, allows remote attackers to include arbitrary files via .. (dot dot) sequences

Q: How urgent is CVE-2006-2406?

Priority 35/100. Public exploit reference

Routine

LOW 2.6UPGRADE

CVE-2006-2406 is a low-severity flaw (CVSS 2.6) affecting unclassified newsboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in bb_lib/abbc.css.php in Unclassified NewsBoard (UNB) 1.5.3-d and possibly earlier versions, when register_globals is enabled, allows remote attackers to include arbitrary files via .. (dot dot) sequences and a trailing null byte (%00) in the design_path parameter. NOTE: this is closely related, but a different vulnerability than the ABBC[Config][smileset] parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Published	2006-05-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: unclassified newsboard

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

Am I affected?

Timeline

2006-05-16 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

unclassified newsboard unclassified newsboard UPGRADE

Affected: <= 1.5.3d

Fixed in: newer than 1.5.3d

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy unclassified-newsboard || rpm -q unclassified-newsboard || unclassified-newsboard --version

2. UPGRADE to newer than 1.5.3d (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade unclassified-newsboard

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade unclassified-newsboard

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Unclassified NewsBoard 1.6.1 patch 1 - Local File Inclusion

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-2006-2406?

unclassified newsboard: upgrade to newer than 1.5.3d. Exact commands for each OS are on this page.

Is CVE-2006-2406 being exploited?

CVE-2006-2406 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-2006-2406 affect?

CVE-2006-2406 affects unclassified newsboard. Severity is low (CVSS 2.6). Directory traversal vulnerability in bb_lib/abbc.css.php in Unclassified NewsBoard (UNB) 1.5.3-d and possibly earlier versions, when register_globals is enabled, allows remote attackers to include arbitrary files via .. (dot dot) sequences

How urgent is CVE-2006-2406?

Priority 35/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2007-1597 MEDIUM 5.0 DOWNGRADE Unclassified NewsBoard 1.6.3 stores sensitive information under the web root with insufficient access control,
CVE-2006-2405 MEDIUM 6.8 UPGRADE Directory traversal vulnerability in unb_lib/abbc.conf.php in Unclassified NewsBoard (UNB) 1.6.1 patch 1 and e
CVE-2005-3686 HIGH 7.5 UPGRADE SQL injection vulnerability in search.inc.php in Unclassified NewsBoard before 1.5.3 Patch 4 allows remote att
CVE-2005-2855 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in Unclassified NewsBoard 1.5.3 allows remote attackers to inject arb

References

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