CVE-2009-1947: SQL injection vulnerability in the UnbDbEncode function in unb_lib/database.lib.php in Unclassified NewsBoard

This month

HIGH 7.5DOWNGRADE

CVE-2009-1947 is a high-severity flaw (CVSS 7.5) affecting unclassified newsboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in the UnbDbEncode function in unb_lib/database.lib.php in Unclassified NewsBoard (UNB) 1.6.4 allows remote attackers to execute arbitrary SQL commands via the Query parameter in a search action to forum.php, a different vector than CVE-2005-3686.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-06-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: newsboard

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

Am I affected?

Timeline

2009-06-05 21:30 UTCPublished CVE record published
2026-06-16 23:08 UTCUpdated Record last modified

newsboard unclassified newsboard DOWNGRADE

Affected: 1.6.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6.4 (Debian / Ubuntu)

apt-cache madison unclassified-newsboard sudo apt install unclassified-newsboard=<VERSION_BEFORE_1.6.4> sudo apt-mark hold unclassified-newsboard

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

dnf --showduplicates list unclassified-newsboard sudo dnf downgrade unclassified-newsboard-<VERSION_BEFORE_1.6.4> sudo dnf versionlock add unclassified-newsboard

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.

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 1.6.4 - Multiple Vulnerabilities

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-2009-1947?

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

Is CVE-2009-1947 being exploited?

CVE-2009-1947 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-2009-1947 affect?

CVE-2009-1947 affects unclassified newsboard. Severity is high (CVSS 7.5). SQL injection vulnerability in the UnbDbEncode function in unb_lib/database.lib.php in Unclassified NewsBoard (UNB) 1.6.4 allows remote attackers to execute arbitrary SQL commands via the Query parameter in a search action to forum.php, a d

How urgent is CVE-2009-1947?

Priority 47/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

← Back to latest CVEs