CVE-2009-4477: SQL injection vulnerability in page.html in Xstate Real Estate 1.0 allows remote attackers to execute arbitrar

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HIGH 7.5DOWNGRADE

CVE-2009-4477 is a high-severity flaw (CVSS 7.5) affecting real estate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in page.html in Xstate Real Estate 1.0 allows remote attackers to execute arbitrary SQL commands via the pid 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	2009-12-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xstate

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

Am I affected?

Timeline

2009-12-30 21:30 UTCPublished CVE record published
2026-06-16 23:13 UTCUpdated Record last modified

xstate real estate DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy real-estate || rpm -q real-estate || real-estate --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison real-estate sudo apt install real-estate=<VERSION_BEFORE_1.0> sudo apt-mark hold real-estate

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

dnf --showduplicates list real-estate sudo dnf downgrade real-estate-<VERSION_BEFORE_1.0> sudo dnf versionlock add real-estate

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: Xstate Real Estate 1.0 - Blind SQL Injection / Cross-Site Scripting

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-2009-4477?

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

Is CVE-2009-4477 being exploited?

CVE-2009-4477 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-2009-4477 affect?

CVE-2009-4477 affects real estate. Severity is high (CVSS 7.5). SQL injection vulnerability in page.html in Xstate Real Estate 1.0 allows remote attackers to execute arbitrary SQL commands via the pid parameter.

How urgent is CVE-2009-4477?

Priority 47/100. High severity; Public exploit reference

Related CVEs

CVE-2009-4478 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Xstate Real Estate 1.0 allow remote attackers to inject
CVE-2008-6930 MEDIUM 6.5 MITIGATE Unrestricted file upload vulnerability in PHPStore Real Estate allows remote authenticated users to execute ar
CVE-2008-4674 MEDIUM 6.8 DOWNGRADE SQL injection vulnerability in realestate-index.php in Conkurent Real Estate Manager 1.01 allows remote attack

References

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