CVE-2007-4203: Session fixation vulnerability in Mambo 4.6.2 CMS allows remote attackers to hijack web sessions by setting th

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HIGH 9.3DOWNGRADE

CVE-2007-4203 is a high-severity flaw (CVSS 9.3) affecting mambo open source. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Session fixation vulnerability in Mambo 4.6.2 CMS allows remote attackers to hijack web sessions by setting the Cookie parameter.

Why this priority

Critical severity

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-287
Published	2007-08-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mambo

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

Am I affected?

Timeline

2007-08-08 01:17 UTCPublished CVE record published
2026-06-16 22:43 UTCUpdated Record last modified

mambo mambo open source DOWNGRADE

Affected: 4.6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.6.2

1. Check installed version

apt-cache policy mambo-open-source || rpm -q mambo-open-source || mambo-open-source --version

2. No fixed release: DOWNGRADE to a release before 4.6.2 (Debian / Ubuntu)

apt-cache madison mambo-open-source sudo apt install mambo-open-source=<VERSION_BEFORE_4.6.2> sudo apt-mark hold mambo-open-source

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

dnf --showduplicates list mambo-open-source sudo dnf downgrade mambo-open-source-<VERSION_BEFORE_4.6.2> sudo dnf versionlock add mambo-open-source

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.

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-2007-4203?

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

Is CVE-2007-4203 being exploited?

CVE-2007-4203 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-2007-4203 affect?

CVE-2007-4203 affects mambo open source. Severity is high (CVSS 9.3). Session fixation vulnerability in Mambo 4.6.2 CMS allows remote attackers to hijack web sessions by setting the Cookie parameter.

How urgent is CVE-2007-4203?

Priority 53/100. Critical severity

Related CVEs

CVE-2008-0261 MEDIUM 5.0 MITIGATE Unspecified vulnerability in the search component and module in Mambo 4.5.x and 4.6.x allows remote attackers
CVE-2006-7202 HIGH 7.8 DOWNGRADE The dofreePDF function in includes/pdf.php in Mambo 4.6.1 does not properly check access rights for database c
CVE-2006-7150 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in Mambo 4.6.x allow remote attackers to execute arbitrary SQL commands
CVE-2004-2072 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in index.php for Mambo Open Source 4.6, and possibly earlier versions
CVE-2004-1825 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in index.php in Mambo Open Source 4.5 stable 1.0.3 and earlier allows

References

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