CVE-2008-2477: SQL injection vulnerability in index.php in MxBB (aka MX-System) Portal 2.7.3 allows remote attackers to execu

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HIGH 7.5DOWNGRADE

CVE-2008-2477 is a high-severity flaw (CVSS 7.5) affecting mxbb portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in index.php in MxBB (aka MX-System) Portal 2.7.3 allows remote attackers to execute arbitrary SQL commands via the page parameter.

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	2008-05-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mx-system

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

Am I affected?

Timeline

2008-05-28 15:32 UTCPublished CVE record published
2026-06-16 22:53 UTCUpdated Record last modified

mx-system mxbb portal DOWNGRADE

Affected: 2.7.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.7.3

1. Check installed version

apt-cache policy mxbb-portal || rpm -q mxbb-portal || mxbb-portal --version

2. No fixed release: DOWNGRADE to a release before 2.7.3 (Debian / Ubuntu)

apt-cache madison mxbb-portal sudo apt install mxbb-portal=<VERSION_BEFORE_2.7.3> sudo apt-mark hold mxbb-portal

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

dnf --showduplicates list mxbb-portal sudo dnf downgrade mxbb-portal-<VERSION_BEFORE_2.7.3> sudo dnf versionlock add mxbb-portal

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: MX-System 2.7.3 - 'index.php' SQL Injection

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-2008-2477?

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

Is CVE-2008-2477 being exploited?

CVE-2008-2477 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-2008-2477 affect?

CVE-2008-2477 affects mxbb portal. Severity is high (CVSS 7.5). SQL injection vulnerability in index.php in MxBB (aka MX-System) Portal 2.7.3 allows remote attackers to execute arbitrary SQL commands via the page parameter.

How urgent is CVE-2008-2477?

Priority 47/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-2361 HIGH 7.5 DOWNGRADE DOWNGRADE PHP remote file inclusion vulnerability in pafiledb_constants.php in Download Manager (mxBB pafiledb) integrat

References

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