CVE-2009-0882: Multiple SQL injection vulnerabilities in nForum 1.5 allow remote attackers to execute arbitrary SQL commands

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HIGH 7.5DOWNGRADE

CVE-2009-0882 is a high-severity flaw (CVSS 7.5) affecting nforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in nForum 1.5 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to showtheme.php and the (2) user parameter to userinfo.php.

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	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-03-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: roman bogorodskiy

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

Am I affected?

Timeline

2009-03-12 15:20 UTCPublished CVE record published
2026-06-16 23:06 UTCUpdated Record last modified

roman bogorodskiy nforum DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison nforum sudo apt install nforum=<VERSION_BEFORE_1.5> sudo apt-mark hold nforum

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

dnf --showduplicates list nforum sudo dnf downgrade nforum-<VERSION_BEFORE_1.5> sudo dnf versionlock add nforum

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: nForum 1.5 - Multiple SQL Injections

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-2009-0882?

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

Is CVE-2009-0882 being exploited?

CVE-2009-0882 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-2009-0882 affect?

CVE-2009-0882 affects nforum. Severity is high (CVSS 7.5). Multiple SQL injection vulnerabilities in nForum 1.5 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to showtheme.php and the (2) user parameter to userinfo.php.

How urgent is CVE-2009-0882?

Priority 46/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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