CVE-2009-1508: SQL injection vulnerability in the xforum_validateUser function in Common.php in X-Forum 0.6.2 allows remote a

This month

HIGH 7.5DOWNGRADE

CVE-2009-1508 is a high-severity flaw (CVSS 7.5) affecting x-forum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in the xforum_validateUser function in Common.php in X-Forum 0.6.2 allows remote attackers to execute arbitrary SQL commands, as demonstrated via the cookie_username parameter to Configure.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	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-05-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: keir davis

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

Am I affected?

Timeline

2009-05-01 18:30 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

keir davis x-forum DOWNGRADE

Affected: 0.6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.2

1. Check installed version

apt-cache policy x-forum || rpm -q x-forum || x-forum --version

2. No fixed release: DOWNGRADE to a release before 0.6.2 (Debian / Ubuntu)

apt-cache madison x-forum sudo apt install x-forum=<VERSION_BEFORE_0.6.2> sudo apt-mark hold x-forum

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

dnf --showduplicates list x-forum sudo dnf downgrade x-forum-<VERSION_BEFORE_0.6.2> sudo dnf versionlock add x-forum

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: X-Forum 0.6.2 - Remote Command Execution

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-2009-1508?

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

Is CVE-2009-1508 being exploited?

CVE-2009-1508 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-2009-1508 affect?

CVE-2009-1508 affects x-forum. Severity is high (CVSS 7.5). SQL injection vulnerability in the xforum_validateUser function in Common.php in X-Forum 0.6.2 allows remote attackers to execute arbitrary SQL commands, as demonstrated via the cookie_username parameter to Configure.php.

How urgent is CVE-2009-1508?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2009-1512 MEDIUM 6.5 DOWNGRADE Static code injection vulnerability in X-Forum 0.6.2 allows remote authenticated administrators to inject arbi

References

← Back to latest CVEs